Synonyms for Un-dependable:

• adj.

  •derelict (adjective)
  • irresponsible,
  • delinquent,
  • remiss,
  • lax,
  • slack,
  • Disregardful,
  • undependable,
  • behindhand,
  • regardless.
  •dubious (adjective)
  • hesitant,
  • iffy,
  • problematic,
  • questionable,
  • chancy,
  • equivocal,
  • open,
  • skeptical,
  • unconvinced,
  • reluctant,
  • fishy,
  • debatable,
  • suspicious,
  • diffident,
  • arguable,
  • indecisive,
  • far-fetched,
  • moot,
  • unclear,
  • improbable,
  • Mootable,
  • dubitable,
  • touch and go,
  • untrusty,
  • suspect,
  • shady,
  • wavering,
  • undecided,
  • disputable,
  • unlikely,
  • perplexed.
  •fly-by-night (adjective)
  • evanescent,
  • temporary,
  • here-today-gone-tomorrow,
  • unprofessional,
  • passing,
  • slippery,
  • brief,
  • momentary,
  • shifty,
  • not to be trusted,
  • impermanent,
  • not to be relied upon,
  • disreputable,
  • cowboy,
  • fleeting,
  • short-lived,
  • slimy,
  • ephemeral.
  •inconstant (adjective)
  • mercurial,
  • volatile,
  • changeful,
  • irregular,
  • fluctuating,
  • shifting,
  • irresolute,
  • impulsive,
  • vacillating,
  • unsettled,
  • intermittent,
  • varying,
  • waffling,
  • flickering.
  •indefinite (adjective)
  • infinite,
  • evasive,
  • unfixed,
  • broad,
  • unknown,
  • wide,
  • inexhaustible,
  • indistinct,
  • ill-defined,
  • obscure,
  • unspecific,
  • general,
  • undetermined,
  • inexact,
  • confused,
  • intangible,
  • doubtful,
  • indeterminable,
  • unlimited,
  • imprecise,
  • undefined,
  • shadowy,
  • innumerable.
  •irresponsible (adjective)
  • feckless,
  • shiftless,
  • immature,
  • no-account,
  • carefree,
  • scatterbrained,
  • flighty,
  • unanswerable,
  • uncareful,
  • devil-may-care,
  • ill-considered,
  • unaccountable,
  • giddy,
  • incautious,
  • thoughtless,
  • harebrained,
  • rash,
  • immoral,
  • wild.
  •perfidious (adjective)
  • faithless,
  • two-faced,
  • slick,
  • betraying,
  • deceptive,
  • unfaithful,
  • snake in the grass,
  • double-crossing,
  • two-timing,
  • misleading,
  • false,
  • traitorous,
  • deceitful,
  • unloyal,
  • insidious,
  • recreant,
  • double-dealing.
  •shaky (adjective)
  • unsupported,
  • not dependable,
  • precarious,
  • not reliable,
  • unsteady.
  •skittish (adjective)
  • edgy,
  • fidgety,
  • fearful,
  • whimsical,
  • lightheaded,
  • jumpy,
  • combustible,
  • peppy,
  • sensitive,
  • frivolous,
  • spirited,
  • excited,
  • volative,
  • restive,
  • Agitable,
  • high-strung,
  • excitable,
  • lively,
  • zippy,
  • dizzy,
  • Alarmable,
  • playful.
  •temperamental (adjective)
  • explosive,
  • hotheaded,
  • headstrong,
  • touchy,
  • mean,
  • irritable,
  • cussed,
  • ornery,
  • thin-skinned,
  • hypersensitive,
  • ticklish,
  • froward,
  • in bad mood,
  • petulant,
  • easily upset,
  • impatient,
  • fiery,
  • neurotic,
  • willful,
  • emotional,
  • hyper,
  • passionate.
  •treacherous (adjective)
  • difficult,
  • hazardous,
  • hairy,
  • untrue,
  • ominous,
  • menacing,
  • alarming,
  • perilous,
  • treasonable,
  • icy,
  • unhealthy,
  • faulty,
  • Jeopardous,
  • shaky,
  • Dissembled,
  • insecure,
  • duplicitous,
  • perfidious,
  • wicked,
  • catchy,
  • False-hearted,
  • risky.
  •tricky (adjective)
  • rocky,
  • perplexing,
  • critical,
  • complex,
  • delicate,
  • quirky,
  • sticky,
  • knotty,
  • touch-and-go,
  • thorny,
  • involved,
  • intricate.
  •undependable (adjective)
  • no-good,
  • capricious,
  • Trustless,
  • dubious,
  • treacherous,
  • unpredictable,
  • tricky,
  • loose,
  • unstable,
  • unsound,
  • inconsistent,
  • bum,
  • no bargain,
  • uncertain,
  • fickle,
  • variable,
  • unreliable,
  • fly-by-night,
  • unassured,
  • changeable,
  • indefinite,
  • unsure,
  • untrustworthy,
  • careless,
  • trick,
  • erratic,
  • inconstant,
  • indeterminate,
  • unsafe.
  •unreliable (adjective)
  • hallucinatory,
  • underhanded,
  • inaccurate,
  • unconvincing,
  • underhand,
  • mistaken,
  • hollow,
  • pseudo,
  • specious,
  • makeshift,
  • weak,
  • pretended,
  • erroneous,
  • sham,
  • meretricious,
  • implausible,
  • delusive,
  • furtive,
  • fake,
  • fallible.
  •unsafe (adjective)
  • hanging by a thread,
  • on thin ice,
  • fearsome,
  • on a limb,
  • threatening.
  •unsure (adjective)
  • Fluctuant,
  • wimpy,
  • distrustful,
  • borderline,
  • lacking,
  • wobbly,
  • up for grabs,
  • unconfident,
  • in a quandary,
  • betwixt and between,
  • rootless,
  • mistrustful.
  •untrustworthy (adjective)
  • disloyal,
  • conniving,
  • crooked,
  • guileful,
  • devious,
  • dishonest,
  • fink,
  • sharp,
  • fair-weather,
  • sneaky.
  •wayward (adjective)
  • self-indulgent,
  • incorrigible,
  • self-willed,
  • arbitrary,
  • perverse,
  • balky,
  • unruly,
  • obdurate,
  • cross-grained,
  • rebellious,
  • obstinate,
  • ungovernable,
  • disorderly,
  • stubborn,
  • contumacious,
  • disobedient,
  • fractious,
  • errant,
  • recalcitrant,
  • insubordinate,
  • aberrant,
  • refractory,
  • mulish,
  • uncompliant,
  • intractable.
  •weak (adjective)
  • frightened,
  • exhausted,
  • spent,
  • sickly,
  • nervous,
  • soft,
  • flaccid,
  • tender,
  • powerless,
  • Impuissant,
  • nerveless,
  • impotent,
  • faint-hearted,
  • senile,
  • rickety,
  • lackadaisical,
  • puny,
  • spindly,
  • wishy-washy,
  • flimsy,
  • enervated,
  • anemic,
  • weak-kneed,
  • sluggish,
  • languid,
  • faint,
  • prostrate,
  • languorous,
  • torpid,
  • effete,
  • laid-back,
  • weakened,
  • debilitated,
  • infirm,
  • palsied,
  • out of gas,
  • limp,
  • decrepit,
  • insubstantial,
  • wasted,
  • feeble,
  • forceless,
  • weakly,
  • rotten,
  • fragile,
  • supine,
  • timorous,
  • spineless,
  • zero,
  • frail,
  • ineffectual,
  • unsubstantial.

Antonyms for Un-dependable:

• adj.

  • derelict
    careful, populated, caring, improved.
  • dubious
    determined, Undoubtful, likely, unquestionable, Indubious, secure, doubtless, trusty, undoubted, positive, unobscure, sure, believable, unambiguous, probable, honest, aboveboard, definite, certain, clear.
  • fly-by-night
    long, permanent, enduring, reputable, lasting.
  • indefinite
    bounded, limited, distinct, finite.
  • irresponsible
    accountable, liable.
  • shaky
    steady, unwavering, firm, unshaky, stable.
  • skittish
    collected, composed, calm, easy-going, laid-back, unworried.
  • temperamental
    pleased, constant, easygoing, steadfast, happy, peaceful, predictable, tolerant, unvarying, unchanging.
  • treacherous
    strong, safe, forthright, easy, friendly, straightforward, true, protected, untreacherous, uncomplicated, loyal, harmless.
  • tricky
    healthy, frank, smooth, insensitive, solvable, untroublesome, uncritical, direct, simple.
  • undependable
    dependable, trustworthy, reliable, responsible.
  • unreliable
    faithful, right, accurate, truthful, correct.
  • unsure
    believing.
  • untrustworthy
    open.
  • wayward
    compliant, obedient, controllable, manageable.
  • weak
    capable, potent, hearty, able, bold, sufficient, loud, brave, powerful, fit, concentrated, noisy, active, unbreakable, confident, guarded, thick.