Synonyms for Un-stable:

• adj.

  •capricious (adjective)
  • changeful,
  • Punchy,
  • crotchety,
  • arbitrary,
  • kinky,
  • any way the wind blows,
  • impulsive,
  • picky,
  • blowing hot and cold,
  • every which way,
  • queer,
  • careless,
  • Vagarious,
  • Humorsome,
  • notional,
  • effervescent,
  • up and down,
  • gaga,
  • yo-yo,
  • fanciful,
  • moody,
  • unstable,
  • whimsical,
  • flaky,
  • wayward,
  • freakish,
  • flighty,
  • odd,
  • unreasonable,
  • contrary,
  • quirky,
  • helter-skelter.
  •changeable (adjective)
  • protean,
  • spasmodic,
  • commutative,
  • variant,
  • kaleidoscopic,
  • Permutable,
  • reversible,
  • varying,
  • fluid,
  • indecisive,
  • unreliable,
  • irresolute,
  • vagrant,
  • transitional,
  • restless,
  • agitated,
  • shifting,
  • revocable,
  • versatile,
  • irregular,
  • transformable,
  • skittish,
  • convertible,
  • irresponsible.
  •changing (adjective)
  • developing,
  • dynamic,
  • Modifying,
  • growing,
  • altering.
  •dangerous (adjective)
  • malignant,
  • impregnable,
  • deadly,
  • unsafe,
  • on collision course,
  • critical,
  • pressing,
  • queasy,
  • ugly,
  • serious,
  • fatal,
  • menacing,
  • parlous,
  • formidable,
  • touchy,
  • threatening,
  • Jeopardous,
  • chancy,
  • Viperous,
  • thorny,
  • treacherous,
  • hot,
  • nasty,
  • vulnerable,
  • unhealthy,
  • touch-and-go,
  • breakneck,
  • speculative,
  • terrible,
  • delicate,
  • bad,
  • hairy,
  • heavy,
  • alarming,
  • dangersome,
  • perilous,
  • urgent,
  • exposed,
  • portentous,
  • wicked,
  • impending,
  • dynamite,
  • loaded,
  • serpentine,
  • mortal.
  •desultory (adjective)
  • haphazard,
  • chance,
  • chaotic,
  • unmethodical,
  • rambling,
  • aimless,
  • Orderless,
  • unsystematic,
  • without purpose,
  • Deviating.
  •dizzy (adjective)
  • light-headed,
  • fatuous,
  • silly,
  • foolish,
  • empty-headed,
  • inane,
  • heady,
  • crazy,
  • Feather-brained,
  • harebrained,
  • frivolous.
  •doubtful (adjective)
  • inconclusive,
  • long shot,
  • equivocal,
  • unsure,
  • open,
  • fishy,
  • problematic,
  • suspicious,
  • far-fetched,
  • uneasy,
  • shady,
  • on thin ice,
  • indistinct,
  • contingent,
  • unconfirmed,
  • clouded,
  • pending,
  • hazardous,
  • indefinite,
  • obscure,
  • impugnable,
  • indeterminate,
  • up for grabs,
  • undecided,
  • dicey,
  • hazy,
  • disreputable,
  • fat chance,
  • Doubtable,
  • debatable,
  • sneaky,
  • iffy,
  • dubitable.
  •erratic (adjective)
  • oddball,
  • eccentric,
  • directionless,
  • desultory,
  • devious,
  • meandering,
  • Fluctuant,
  • aberrant,
  • abnormal,
  • stray,
  • incalculable,
  • anomalous,
  • undirected,
  • planetary,
  • weird,
  • unnatural,
  • unusual,
  • bizarre,
  • idiosyncratic,
  • nomadic,
  • roving,
  • peculiar,
  • strange.
  •explosive (adjective)
  • forceful,
  • bursting,
  • detonative,
  • eruptive,
  • fiery,
  • vehement,
  • raging,
  • charged,
  • meteoric,
  • overwrought,
  • ebullient,
  • violent,
  • Fulminating,
  • frenzied,
  • consequential,
  • convulsive,
  • at the boiling point,
  • wild,
  • detonating,
  • fulminant,
  • impetuous,
  • uncontrollable,
  • rampant,
  • tense,
  • stormy.
  •faithless (adjective)
  • recreant,
  • untrue,
  • dishonest,
  • skeptical,
  • double-crossing,
  • two-faced,
  • unfaithful,
  • doubting,
  • perfidious,
  • unloyal,
  • traitorous,
  • unbelieving,
  • deceitful,
  • unconverted,
  • double-dealing,
  • two-timing,
  • false,
  • cheating,
  • untruthful.
  •fickle (adjective)
  • coquettish,
  • quicksilver,
  • sneaking,
  • faithless.
  •fitful (adjective)
  • on-again-off-again,
  • disturbed,
  • broken,
  • bits and pieces,
  • hit-or-miss,
  • periodic,
  • herky-jerky,
  • spotty,
  • random,
  • spastic,
  • intermittent,
  • flickering,
  • restive,
  • catchy,
  • recurrent,
  • interrupted.
  •flighty (adjective)
  • lively,
  • featherbrained,
  • bubbleheaded,
  • thoughtless,
  • dingbat,
  • birdbrained,
  • lightheaded,
  • unbalanced,
  • airheaded,
  • scatterbrained,
  • dingdong,
  • twit.
  •fluid (adjective)
  • adjustable,
  • floating,
  • malleable,
  • flexible.
  •fugitive (adjective)
  • impermanent,
  • brief,
  • evanescent,
  • flying,
  • fugacious,
  • Escaping,
  • temporary,
  • criminal,
  • short,
  • short-lived,
  • fleeting,
  • Evading,
  • on the lam,
  • momentary,
  • elusive,
  • ephemeral,
  • lamster,
  • Flitting,
  • errant,
  • passing,
  • running away,
  • Avoiding,
  • transitory,
  • wanted,
  • wandering.
  •giddy (adjective)
  • woozy,
  • flustered,
  • Reeling,
  • heedless,
  • brainless,
  • whirling,
  • swimming,
  • bemused,
  • ditzy,
  • slaphappy,
  • reckless.
  •harebrained (adjective)
  • half-baked,
  • asinine,
  • barmy,
  • mindless,
  • loony,
  • absurd,
  • rattlebrained,
  • preposterous,
  • wacky,
  • rash.
  •inconsistent (adjective)
  • in conflict,
  • discordant,
  • conflicting,
  • incongruous,
  • incoherent,
  • irreconcilable,
  • incongruent,
  • at variance,
  • at odds,
  • illogical,
  • warring,
  • incompatible,
  • discrepant,
  • out of step,
  • dissonant.
  •inconstant (adjective)
  • waffling,
  • undependable.
  •indecisive (adjective)
  • hot and cold,
  • faltering,
  • astraddle,
  • hemming and hawing,
  • hesitant,
  • tentative,
  • of two minds,
  • wishy-washy,
  • unclear,
  • weak-kneed,
  • hesitating,
  • halting,
  • uneventful,
  • doubtful,
  • undetermined,
  • on the fence.
  •infirm (adjective)
  • failing,
  • enfeebled,
  • flimsy,
  • anemic,
  • faint,
  • frail,
  • lame,
  • ill,
  • feeble,
  • anile,
  • debilitated,
  • ailing,
  • unsound,
  • decrepit,
  • laid low,
  • unsubstantial,
  • fragile,
  • sensile.
  •insecure (adjective)
  • loose,
  • unprotected,
  • unshielded,
  • defenseless,
  • immature,
  • insubstantial,
  • open to attack,
  • rootless,
  • unguarded.
  •irrational (adjective)
  • insane,
  • distraught,
  • wrong,
  • delirious,
  • mad,
  • injudicious,
  • fallacious,
  • specious,
  • stupid,
  • reasonless,
  • nutty,
  • unthinking,
  • freaky,
  • demented,
  • ridiculous,
  • invalid,
  • cockamamie,
  • unwise,
  • nonsensical,
  • off-the-wall,
  • kooky,
  • disjointed,
  • unreasoning,
  • raving,
  • sophistic,
  • disconnected.
  •irresolute (adjective)
  • wimpy,
  • changing,
  • halfhearted,
  • timid,
  • hot-and-cold,
  • on-the-fence,
  • fearful,
  • infirm.
  •irresponsible (adjective)
  • fly-by-night,
  • devil-may-care,
  • uncareful,
  • shiftless,
  • lax,
  • incautious,
  • feckless,
  • unaccountable,
  • no-account,
  • immoral,
  • carefree,
  • ill-considered,
  • unanswerable.
  •jeopardous (adjective)
  • venturous,
  • venturesome,
  • adventurous.
  •mad (adjective)
  • lunatic,
  • foolhardy,
  • fantastic,
  • deranged,
  • distracted,
  • imprudent,
  • out of one's mind,
  • batty,
  • crazed,
  • rabid,
  • frenetic,
  • cuckoo,
  • senseless,
  • non compos mentis,
  • off one's rocker,
  • unhinged,
  • bananas,
  • daft,
  • frantic,
  • ludicrous,
  • of unsound mind,
  • mental,
  • psychotic.
  •maladjusted (adjective)
  • muddled,
  • unfit,
  • messed up,
  • neurotic.
  •mental (adjective)
  • maniac,
  • loco,
  • nutsy,
  • psychiatric,
  • fruity,
  • mentally ill,
  • nuts.
  •mercurial (adjective)
  • irrepressible,
  • expansive,
  • up-and-down,
  • resilient,
  • gay,
  • short-fuse,
  • flip,
  • sprightly,
  • buoyant,
  • lighthearted,
  • elastic,
  • spirited.
  •mobile (adjective)
  • Unsteadfast,
  • itinerant,
  • free,
  • peripatetic,
  • migratory,
  • portable,
  • motorized,
  • ambulatory,
  • adaptable,
  • migrant,
  • Roaming,
  • motile,
  • liquid,
  • unstationary,
  • locomotive.
  •moving (adjective)
  • jumping,
  • climbing,
  • going,
  • unfixed,
  • running,
  • advancing,
  • Traversing,
  • walking,
  • Progressing,
  • Evolving.
  •neurotic (adjective)
  • nervous wreck,
  • hysteric,
  • uptight,
  • Clutched,
  • hung up,
  • manic,
  • choked,
  • compulsive,
  • anxious,
  • upset,
  • bundle of nerves,
  • disordered,
  • disoriented,
  • psychoneurotic,
  • wired,
  • obsessive,
  • nervous,
  • deviant,
  • basket case,
  • inhibited.
  •out of one's mind (adjective)
  • Daffy,
  • off one's head,
  • out of one's tree,
  • out of one's head,
  • around the bend.
  •perilous (adjective)
  • rugged,
  • playing with fire,
  • touch and go,
  • Russian Roulette.
  •perishable (adjective)
  • decomposable,
  • Decaying,
  • easily spoiled,
  • destructible.
  •precarious (adjective)
  • out on a limb,
  • hanging by a thread,
  • dangerous.
  •restless (adjective)
  • jumpy,
  • active,
  • fretful,
  • ill at ease,
  • itchy,
  • antsy,
  • unpeaceful,
  • bustling,
  • troubled,
  • turbulent,
  • hurried,
  • unrestful,
  • tossing and turning,
  • perturbed,
  • edgy,
  • fidgety,
  • strung out,
  • on edge,
  • footloose,
  • sleepless,
  • transient,
  • fidgeting,
  • unquiet,
  • worried,
  • unruly.
  •rocky (adjective)
  • sickly,
  • staggering,
  • unwell,
  • tottering,
  • sick.
  •sensitive (adjective)
  • oversensitive,
  • precise,
  • fine,
  • high-strung,
  • supersensitive,
  • feeling,
  • Perceiving,
  • knowing,
  • sentient,
  • turned on to,
  • umbrageous,
  • emotionable,
  • susceptible,
  • irritable,
  • receptive,
  • seeing,
  • impressible,
  • psychic,
  • conscious,
  • reactive,
  • sensory,
  • responsive,
  • emotional,
  • keen,
  • acute,
  • perceptive,
  • hypersensitive,
  • touchy feely,
  • tuned in,
  • sensorial,
  • sensatory,
  • easily affected,
  • understanding,
  • cognizant.
  •shaky (adjective)
  • tremulous,
  • tottery,
  • Rattletrap,
  • jerry-built,
  • unfirm,
  • quivery,
  • all aquiver,
  • aquiver,
  • yielding,
  • jittery,
  • quaking,
  • jellylike,
  • aquake,
  • shaking,
  • tremorous,
  • ashake,
  • tumbledown,
  • not set.
  •short-range (adjective)
  • tactical.
  •short-term (adjective)
  • short-range.
  •slippery (adjective)
  • greasy,
  • cagey,
  • foxy,
  • glazed,
  • glistening,
  • soapy,
  • sleek,
  • crafty,
  • satiny,
  • silky,
  • glassy,
  • unctuous,
  • wet,
  • icy,
  • cunning,
  • duplicitous,
  • like a skating rink,
  • waxy,
  • evasive,
  • lustrous,
  • polished,
  • smooth,
  • slick,
  • slithery,
  • slimy.
  •susceptive (adjective)
  • sensible,
  • impressionable.
  •temperamental (adjective)
  • in bad mood,
  • explosive,
  • cussed,
  • hyper,
  • headstrong,
  • mean,
  • easily upset,
  • willful,
  • ornery,
  • thin-skinned,
  • hotheaded,
  • froward,
  • petulant,
  • excitable,
  • passionate,
  • impatient.
  •temporary (adjective)
  • pro tempore,
  • limited,
  • interim,
  • for the time being,
  • fugitive,
  • perishable,
  • band-aid,
  • acting,
  • ad hoc,
  • substitute,
  • overnight,
  • ad interim,
  • summary,
  • provisory,
  • make-do,
  • supply,
  • temp,
  • alternate,
  • makeshift,
  • pro tem,
  • slapdash,
  • provisional,
  • stopgap.
  •ticklish (adjective)
  • trying,
  • nice,
  • awkward.
  •transient/transitory (adjective)
  • temporal,
  • Transmigratory,
  • Vacating,
  • deciduous,
  • flash,
  • short-term,
  • going by,
  • Emigrating,
  • Migrating.
  •transportable (adjective)
  • traveling.
  •treacherous (adjective)
  • ominous,
  • deceptive,
  • misleading,
  • faulty,
  • Dissembled,
  • difficult.
  •tricky (adjective)
  • perplexing,
  • complex,
  • knotty,
  • involved,
  • sticky,
  • intricate.
  •turbulent (adjective)
  • fierce,
  • choppy,
  • Moiling,
  • blustering,
  • howling,
  • destructive,
  • coarse,
  • stirred up,
  • Storming,
  • roaring,
  • noisy,
  • tempestuous,
  • confused,
  • blustery,
  • rough,
  • foaming,
  • bitter,
  • thunderous,
  • inclement,
  • Stormful,
  • furious,
  • bumpy,
  • swirling,
  • riotous,
  • ruffled,
  • boiling.
  •unapt (adjective)
  • unlikely,
  • improbable.
  •unbalanced (adjective)
  • off-balance,
  • disproportionate,
  • asymmetric,
  • not balanced,
  • top-heavy,
  • uneven,
  • not all there,
  • nobody home,
  • unsymmetrical,
  • out to lunch,
  • touched,
  • lopsided,
  • unscrewed,
  • asymmetrical,
  • unglued,
  • unequal.
  •undependable (adjective)
  • Trustless,
  • bum,
  • unassured,
  • trick,
  • no bargain,
  • no-good.
  •uneasy (adjective)
  • disquieted,
  • dismayed,
  • anguished,
  • apprehensive,
  • shaken,
  • vexed,
  • on the qui vive,
  • all nerves,
  • irascible,
  • peevish,
  • perplexed,
  • discomposed,
  • bothered,
  • constrained,
  • harassed,
  • afraid,
  • in turmoil,
  • tormented,
  • Wrung,
  • strained,
  • alarmed,
  • palpitant.
  •unpredictable (adjective)
  • from left field,
  • unforeseeable,
  • fluky.
  •unreliable (adjective)
  • hollow,
  • hallucinatory,
  • meretricious,
  • erroneous,
  • implausible,
  • pretended,
  • sham,
  • pseudo,
  • inaccurate,
  • fake,
  • fallible,
  • delusive,
  • unconvincing,
  • furtive,
  • questionable,
  • underhand,
  • mistaken,
  • underhanded.
  •unsafe (adjective)
  • on a limb,
  • fearsome.
  •unsettled (adjective)
  • kinetic,
  • unnerved,
  • wobbling,
  • busy,
  • complicated,
  • disorderly,
  • shook up,
  • rattled,
  • thrown.
  •unsound (adjective)
  • flawed,
  • diseased,
  • not solid,
  • in poor health,
  • defective,
  • incorrect,
  • unbacked.
  •unstable (adjective)
  • movable,
  • vacillating,
  • mercurial,
  • dizzy,
  • unsettled,
  • rocky,
  • suspect,
  • lubricious,
  • inconstant,
  • wavering,
  • weak,
  • temperamental,
  • fluctuating,
  • Teetering,
  • uncertain,
  • irrational,
  • capricious,
  • fickle,
  • slippery,
  • moving,
  • wobbly,
  • variable,
  • unsteady,
  • dubious,
  • tricky,
  • erratic,
  • shaky,
  • mutable,
  • weaving,
  • borderline,
  • untrustworthy,
  • wiggly,
  • fitful,
  • risky,
  • changeable,
  • ambiguous,
  • precarious,
  • mobile,
  • sensitive,
  • unpredictable,
  • giddy,
  • ticklish,
  • volatile,
  • not fixed,
  • inconsistent,
  • shifty,
  • insecure,
  • rickety.
  •unsteady (adjective)
  • Wabbly,
  • tippy,
  • groggy.
  •unsure (adjective)
  • untrusty,
  • distrustful,
  • mistrustful,
  • unconvinced,
  • betwixt and between,
  • in a quandary,
  • lacking,
  • unconfident.
  •variable (adjective)
  • Unequable.
  •varying (adjective)
  • differing,
  • alternating.
  •vertiginous (adjective)
  • revolving,
  • spinning,
  • turning,
  • rotating.
  •volatile (adjective)
  • playful,
  • airy,
  • gaseous,
  • light,
  • subtle,
  • vaporous,
  • flippant,
  • imponderable.
  •wavering (adjective)
  • irresoluteoscillating.
  •wavy (adjective)
  • sinuate,
  • plangent,
  • snaky,
  • Undulant,
  • vermiculate,
  • curved,
  • winding,
  • squiggly,
  • curly,
  • Undulatory,
  • waving,
  • flexuous,
  • undulate,
  • Undulated,
  • sinuous,
  • rolling,
  • coiled.
  •wayward (adjective)
  • intractable,
  • disobedient,
  • insubordinate,
  • cross-grained,
  • recalcitrant,
  • incorrigible,
  • ungovernable,
  • balky,
  • rebellious,
  • self-indulgent,
  • fractious,
  • obdurate,
  • uncompliant,
  • mulish,
  • obstinate,
  • self-willed,
  • contumacious,
  • refractory,
  • delinquent,
  • perverse,
  • stubborn.
  •weak (adjective)
  • laid-back,
  • impotent,
  • faint-hearted,
  • tender,
  • soft,
  • powerless,
  • ineffectual,
  • timorous,
  • spineless,
  • palsied,
  • frightened,
  • nerveless,
  • zero.
  •weakly (adjective)
  • puny.
  •wobbly (adjective)
  • wiggling,
  • wavy.

Antonyms for Un-stable:

• adj.

  • capricious
    steadfast, cautious, staid, sensible, thoughtful, reasonable.
  • changeable
    fixed, changeless, unvarying, undeviating, calm, lasting, unchangeable.
  • dangerous
    ok, healthy, true, unimportant, untroubled, kind, careful, good, agreeable, trivial, wonderful, harmless, healthful, pleasing, unhazardous, pleasant, nice, great, wholesome, honest.
  • desultory
    systematic, organized.
  • dizzy
    wise, clear-thinking, unconfused, smart, Clear-headed, serious.
  • doubtful
    determined, decided, resolved, believing, confirmed, trusting, convinced, Indubious, exact, trustworthy, undoubted, trusty, unquestionable, settled.
  • erratic
    standard, common, regular, normal, usual, consistent.
  • explosive
    moderate, controlled, mild, laid-back, peaceful, gentle.
  • faithless
    loyal, faithful.
  • fickle
    cognizant, aware.
  • fitful
    continual, even, undisturbed, continuous.
  • flighty
    responsible.
  • fluid
    solid, inflexible.
  • fugitive
    long, confronting, lengthy, facing, permanent, enduring.
  • giddy
    level-headed.
  • harebrained
    intelligent, brainy.
  • inconsistent
    harmonious, consonant.
  • indecisive
    deliberate, decisive.
  • infirm
    robust, hearty.
  • irrational
    rational, logical, well, sane, balanced, realistic, reflective.
  • irresolute
    resolute, stubborn, willful, unyielding, obstinate.
  • irresponsible
    liable, accountable.
  • mad
    collected, unenthusiastic, Cheered, disenchanted.
  • mental
    physical, body.
  • mercurial
    unperturbable, tranquil.
  • mobile
    unmovable, stationary, immobile.
  • moving
    unaffecting, unexciting, unmoving, unemotional.
  • neurotic
    adjusted.
  • perishable
    endurance, continuation.
  • restless
    restive, content, unworried, cool, composed, relaxed, quiet, agitated, easy-going, nervous, jumpy.
  • rocky
    flat, smooth, yielding, flexible.
  • sensitive
    imprecise, ignorant, unsusceptible, unaware, numb, loose, impassive, unfeeling, thick-skinned, insensitive, heartless, indifferent, unresponsive.
  • shaky
    unwavering, brave.
  • slippery
    rough, coarse, frank, forthright, unslippery, dry.
  • temperamental
    tolerant, pleased, easygoing.
  • temporary
    unabridged, long-lived.
  • ticklish
    unproblematic, straightforward.
  • transient
    perpetual.
  • transient/transitory
    long-lasting, persistent, neverending, undying, incessant.
  • treacherous
    untreacherous, uncomplicated, friendly.
  • tricky
    uncritical, aboveboard, solvable, simple, untroublesome, direct.
  • turbulent
    obedient, manageable.
  • unbalanced
    level, just, fair.
  • uneasy
    unafraid, at ease, courageous, comfortable, Unfearful, bold.
  • unreliable
    accurate, right, truthful, correct.
  • unsettled
    Calmed.
  • unsound
    valid, perfect.
  • unstable
    guarded, firm, confident, constant, sound, strong, protected, unchanging, predictable, safe, secure, easy, definite, dependable, happy, certain, unshaky, steady, sure, stable, clear, reliable.
  • variable
    invariable.
  • volatile
    difficult.
  • wavy
    straight.
  • wayward
    controllable, compliant.
  • weak
    fit, potent, sufficient, able, capable, concentrated, thick, loud, noisy.