Synonyms for Un-sound:

• adj.

  •bananas (adjective)
  • moonstruck,
  • stark raving mad,
  • mad as a hatter,
  • brainsick,
  • disturbed,
  • mentally ill,
  • crazy as a loon,
  • sick in the head.
  •broken-down (adjective)
  • neglected,
  • Deteriorated,
  • falling apart,
  • in disrepair.
  •chancy (adjective)
  • capricious,
  • fluky,
  • ticklish,
  • unpredictable,
  • hazardous,
  • problematic,
  • incalculable,
  • rocky,
  • tricky,
  • erratic,
  • Fluctuant,
  • precarious,
  • uncertain,
  • iffy,
  • unsound,
  • dicey,
  • problematical,
  • contingent,
  • speculative,
  • whimsical,
  • touchy.
  •daft (adjective)
  • foolish,
  • Daffy,
  • cracked,
  • dopey,
  • inane,
  • bonkers,
  • crackers,
  • nuts,
  • absurd,
  • bedlamite,
  • touched,
  • mental,
  • silly,
  • nutty,
  • out of one's gourd,
  • off the wall,
  • ridiculous,
  • simple,
  • fried,
  • witless,
  • half-baked,
  • flaky,
  • whacko,
  • screwy,
  • giddy,
  • in the ozone,
  • idiotic,
  • wacky,
  • asinine.
  •damaged (adjective)
  • sunk,
  • marred,
  • out of whack,
  • out of action,
  • messed up,
  • spoiled,
  • injured,
  • down,
  • in need of repair,
  • hurt,
  • loused up,
  • impaired,
  • in smithereens,
  • imperfect,
  • run-down,
  • totaled,
  • screwed up,
  • shot,
  • in poor condition,
  • gone,
  • fouled up,
  • Dinged,
  • beat-up,
  • snafued,
  • on the blink,
  • glitched,
  • out of kilter,
  • no go,
  • flubbed,
  • kaput,
  • bent,
  • on the fritz,
  • blemished,
  • busted,
  • mucked up.
  •decrepit (adjective)
  • doddering,
  • old,
  • tacky,
  • weakly,
  • worn-out,
  • superannuated,
  • creaky,
  • seedy,
  • used,
  • tired,
  • antiquated,
  • incapacitated,
  • dilapidated,
  • wasted,
  • shabby,
  • effete,
  • shaking,
  • tumble-down,
  • flimsy,
  • weather-beaten,
  • ramshackle,
  • haggard,
  • threadbare,
  • anile,
  • broken-down,
  • worn,
  • senile,
  • feeble,
  • crippled,
  • bedraggled,
  • aged,
  • quavering,
  • battered.
  •defective (adjective)
  • insufficient,
  • wanting,
  • deficient,
  • abnormal,
  • amiss,
  • lacking,
  • unfinished,
  • out of order,
  • subnormal,
  • incomplete,
  • sick,
  • poor,
  • damaged,
  • on the bum,
  • seconds,
  • inadequate.
  •demented (adjective)
  • out of one's tree,
  • crackbrained,
  • schitzy,
  • psychopathic,
  • manic,
  • non compos mentis,
  • frenzied,
  • maniacal,
  • distraught,
  • distracted,
  • bemused,
  • psychotic,
  • maniac,
  • bananas,
  • schizoid,
  • psycho,
  • flipped out,
  • fruity,
  • hysterical,
  • daft,
  • unglued,
  • nutty as a fruitcake,
  • delirious.
  •deranged (adjective)
  • frantic,
  • disconcerted,
  • baked,
  • irrational,
  • ape,
  • maddened,
  • unsettled,
  • berserk,
  • schizzo,
  • loco,
  • disarranged,
  • dotty,
  • unzipped,
  • disordered,
  • Displaced,
  • perplexed,
  • unscrewed,
  • Flipped.
  •diseased (adjective)
  • infectious,
  • unwholesome,
  • sickly,
  • afflicted,
  • indisposed,
  • infected,
  • rotten,
  • tainted.
  •erroneous (adjective)
  • spurious,
  • untrue,
  • inexact,
  • unfounded,
  • misguided,
  • awry,
  • way off,
  • mistaken,
  • off,
  • wrong number,
  • all wet,
  • askew,
  • all off.
  •fallacious (adjective)
  • misleading,
  • phony,
  • Deceiving,
  • beguiling,
  • unreasonable,
  • sophistic,
  • fraudulent,
  • delusory,
  • fishy,
  • ungrounded,
  • illusory,
  • deceptive,
  • sophistical,
  • delusive,
  • fictitious,
  • Unreasoned,
  • unreal,
  • reasonless,
  • Deluding.
  •false (adjective)
  • cooked-up,
  • bogus,
  • off the mark,
  • lying,
  • illusive,
  • imaginary,
  • dishonest,
  • fanciful,
  • deceitful,
  • counterfactual,
  • apocryphal,
  • mendacious,
  • fake,
  • Misrepresentative,
  • sham,
  • improper,
  • trumped up,
  • distorted,
  • ersatz,
  • casuistic,
  • untruthful,
  • Concocted,
  • contrary to fact.
  •faulty (adjective)
  • lame,
  • malformed,
  • rank,
  • broken,
  • debased,
  • adulterated,
  • botched,
  • fallible,
  • leaky,
  • maimed,
  • unretentive,
  • warped,
  • wrong,
  • bad,
  • imprecise,
  • below par,
  • malfunctioning,
  • lemon,
  • unfit,
  • blamable.
  •flimsy (adjective)
  • papery,
  • transparent,
  • gossamer,
  • chiffon,
  • diaphanous,
  • shallow,
  • superficial,
  • sheer,
  • slight,
  • meager,
  • sleazy,
  • slapdash,
  • gauzy,
  • rinkydink,
  • cut-rate,
  • house of cards.
  •fragile (adjective)
  • fine,
  • crisp,
  • friable,
  • brittle,
  • crumbly,
  • fracturable,
  • shatterable,
  • frangible,
  • shivery.
  •frail (adjective)
  • tenuous,
  • vulnerable,
  • sad,
  • thin,
  • slender,
  • puny,
  • wispy,
  • slim,
  • tender,
  • Shattery,
  • wimpy,
  • dainty,
  • wishy-washy.
  •fruity (adjective)
  • buggy.
  •hairy (adjective)
  • risky,
  • Jeopardous,
  • treacherous,
  • chancy,
  • difficult,
  • perilous,
  • scary,
  • wicked.
  •hazardous (adjective)
  • haphazard,
  • parlous,
  • venturesome,
  • hairy,
  • hot.
  •hazy (adjective)
  • whirling,
  • unclear,
  • ill-defined,
  • indefinite,
  • nebulous,
  • groggy,
  • indistinct,
  • dizzy,
  • obscure,
  • stuporous,
  • dazed,
  • Tranced,
  • dreamy,
  • unintelligible,
  • vague,
  • muddled,
  • murky.
  •hollow (adjective)
  • faithless,
  • hypocritical,
  • insincere,
  • cynical.
  •illogical (adjective)
  • irrelevant,
  • senseless,
  • unproved,
  • implausible,
  • inconclusive,
  • cockeyed,
  • hollow,
  • inconsequent,
  • meaningless,
  • self-contradictory,
  • untenable,
  • not following,
  • without basis,
  • fatuous,
  • inconsistent,
  • without foundation,
  • unconnected,
  • preposterous,
  • unscientific,
  • groundless.
  •impaired (adjective)
  • harmed,
  • debilitated.
  •imperfect (adjective)
  • minus,
  • junk,
  • dud,
  • partial,
  • disfigured,
  • rudimentary,
  • undeveloped,
  • garbage,
  • few bugs,
  • patchy,
  • immature,
  • low,
  • two-bit,
  • limited,
  • vicious,
  • sketchy,
  • bottom-of-barrel,
  • schlocky.
  •inaccurate (adjective)
  • way-off,
  • out,
  • careless,
  • discrepant,
  • wild,
  • unfaithful,
  • in error,
  • off base,
  • wide,
  • doesn't wash.
  •incorrect (adjective)
  • unseemly,
  • unfitting,
  • unsuitable,
  • wide of the mark,
  • inappropriate,
  • not trustworthy.
  •infirm (adjective)
  • faltering,
  • laid low,
  • halting,
  • enfeebled,
  • vacillating,
  • faint,
  • anemic,
  • wavering,
  • irresolute,
  • sensile,
  • failing.
  •insecure (adjective)
  • rootless,
  • open to attack,
  • unprotected,
  • defenseless,
  • exposed,
  • loose,
  • unguarded,
  • unshielded.
  •insubstantial (adjective)
  • immaterial,
  • incorporeal,
  • chimerical,
  • imponderable,
  • ephemeral,
  • airy,
  • petty,
  • fly-by-night,
  • idle,
  • too little too late,
  • intangible,
  • aerial,
  • metaphysical.
  •invalid (adjective)
  • null,
  • inoperative,
  • null and void,
  • baseless,
  • nugatory,
  • not working,
  • not binding,
  • void,
  • ill-founded.
  •irrational (adjective)
  • injudicious,
  • kooky,
  • unthinking,
  • aberrant,
  • unreasoning,
  • mindless,
  • freaky,
  • crazy,
  • disjointed,
  • stupid,
  • incoherent,
  • brainless,
  • nonsensical,
  • cockamamie,
  • disconnected,
  • off-the-wall,
  • raving,
  • loony,
  • unwise.
  •jerry-built (adjective)
  • makeshift,
  • junky,
  • shoddy,
  • slipshod,
  • cheap,
  • jerry-rigged.
  •loco (adjective)
  • paranoid,
  • around the bend,
  • Derailed,
  • bizarre,
  • raging,
  • schizophrenic,
  • impractical.
  •lunatic (adjective)
  • zany,
  • psyched out,
  • freaked out,
  • balmy,
  • dippy.
  •mad (adjective)
  • frenetic,
  • of unsound mind,
  • imprudent,
  • cuckoo,
  • rabid,
  • foolhardy,
  • batty,
  • off one's rocker,
  • ludicrous,
  • out of one's mind,
  • fantastic.
  •mistaken (adjective)
  • under wrong impression,
  • confounded,
  • wide of mark,
  • misjudging,
  • Misconstrued,
  • Misled,
  • warranted,
  • Fooled,
  • unadvised,
  • misunderstanding,
  • at fault,
  • misinterpreting,
  • Duped,
  • confused with,
  • misinformed,
  • Tricked,
  • wrongly identified,
  • Deceived,
  • Deluded,
  • confused,
  • barking up wrong tree,
  • off track,
  • ill-advised.
  •morbid (adjective)
  • gruesome,
  • unusual,
  • ghoulish,
  • pessimistic,
  • horrid,
  • grim,
  • monstrous,
  • frightful,
  • melancholy,
  • deadly,
  • somber,
  • ghastly,
  • saturnine,
  • unnatural,
  • brooding,
  • moody,
  • depressed,
  • hideous,
  • malignant,
  • dark,
  • macabre,
  • grisly,
  • irascible,
  • sullen,
  • despondent,
  • dreadful.
  •non compos mentis (adjective)
  • not of sound mind,
  • deprived of one's wits,
  • Non compos.
  •perilous (adjective)
  • Russian Roulette,
  • loaded,
  • unsure,
  • dynamite,
  • rugged,
  • playing with fire,
  • touch and go,
  • threatening,
  • on thin ice.
  •puny (adjective)
  • picayune,
  • diminutive,
  • half-pint,
  • peanut,
  • inferior,
  • shrimp,
  • stunted,
  • piddling,
  • niggling,
  • undersized,
  • zilch,
  • inconsequential,
  • peewee,
  • measly,
  • small time,
  • nothing,
  • zero,
  • underfed,
  • little,
  • wee,
  • Unconsequential,
  • paltry,
  • trivial,
  • worthless,
  • tiny,
  • trifling,
  • minor,
  • small-fry,
  • runt,
  • pint-sized.
  •risky (adjective)
  • hanging by a thread,
  • not a prayer,
  • sensitive,
  • going for broke,
  • touch-and-go,
  • long shot,
  • on the spot,
  • wide-open,
  • fraught with danger,
  • out on a limb,
  • off the deep end,
  • endangered,
  • on slippery ground.
  •rotten (adjective)
  • mephitic,
  • moldy,
  • loathsome,
  • stinking,
  • low-grade,
  • sour,
  • decomposed,
  • fetid,
  • base,
  • crummy,
  • loud,
  • unfortunate,
  • nasty,
  • unhappy,
  • moldering,
  • putrescent,
  • fecal,
  • regrettable,
  • rotting,
  • sorry,
  • noisome,
  • filthy,
  • rough,
  • withering,
  • strong,
  • overripe,
  • Perished,
  • bad-smelling,
  • putrified,
  • unsatisfactory,
  • Disintegrating,
  • substandard,
  • foul,
  • dissatisfactory,
  • polluted,
  • smelling,
  • displeasing,
  • unlucky,
  • festering,
  • unacceptable,
  • corroded,
  • offensive,
  • disappointing,
  • mean,
  • punk,
  • crumbled,
  • putrid,
  • scurrilous,
  • purulent,
  • bum,
  • lousy,
  • disgusting,
  • Disintegrated,
  • decomposing,
  • vile,
  • disagreeable,
  • dirty,
  • bruised,
  • contemptible,
  • feculent,
  • Pustular,
  • deplorable,
  • unpleasant,
  • Crumbling,
  • rancid,
  • gross,
  • corrupt,
  • noxious,
  • stale.
  •senseless (adjective)
  • imbecilic,
  • purposeless,
  • Purportless,
  • unimportant,
  • moronic,
  • unmeaning,
  • unintelligent,
  • double talk,
  • without rhyme or reason,
  • pointless,
  • insignificant,
  • doublespeak.
  •shaky (adjective)
  • undependable,
  • not set,
  • suspect,
  • all aquiver,
  • unsupported,
  • tottery,
  • aquiver,
  • quaking,
  • quivery,
  • jellylike,
  • ashake,
  • questionable,
  • aquake,
  • not reliable,
  • dubious,
  • tremorous,
  • jerry-built,
  • unfirm,
  • tumbledown,
  • indecisive,
  • Rattletrap,
  • tremulous,
  • yielding,
  • not dependable,
  • jittery,
  • nervous.
  •shallow (adjective)
  • inconsiderable,
  • empty,
  • shelf,
  • cursory,
  • flat,
  • surface,
  • Depthless,
  • sand bar,
  • shoal.
  •specious (adjective)
  • Colorable,
  • seeming,
  • likely,
  • ostensible,
  • presumptive,
  • flattering,
  • ostentatious,
  • captious,
  • pretentious,
  • probable,
  • apparent,
  • apparently right,
  • credible,
  • sophisticated,
  • vain,
  • plausible,
  • presumable.
  •treacherous (adjective)
  • menacing,
  • icy,
  • ominous,
  • slippery,
  • alarming,
  • Dissembled.
  •trumped up (adjective)
  • Devised,
  • fabricated,
  • cooked up,
  • framed,
  • Falsified,
  • made up,
  • invented.
  •twisted (adjective)
  • puzzling,
  • perplexing.
  •unbalanced (adjective)
  • troubled,
  • kinky,
  • out to lunch,
  • nobody home,
  • eccentric,
  • not all there.
  •undependable (adjective)
  • no-good,
  • untrustworthy,
  • trick,
  • fickle,
  • variable,
  • indeterminate,
  • changeable,
  • Trustless,
  • unassured,
  • no bargain,
  • inconstant.
  •unhealthy (adjective)
  • morbid,
  • deleterious,
  • nefarious,
  • demoralizing,
  • degrading,
  • dragging,
  • poisonous,
  • detrimental,
  • insalubrious,
  • degenerate,
  • negative,
  • peaked,
  • in ill health,
  • baneful,
  • corrupting,
  • in a decline,
  • poorly,
  • unhealthful,
  • harmful,
  • undesirable,
  • out of shape,
  • villainous,
  • perverse,
  • unsanitary,
  • virulent.
  •unreliable (adjective)
  • meretricious,
  • shifty,
  • pretended,
  • furtive,
  • unconvincing,
  • irresponsible,
  • disreputable,
  • underhand,
  • pseudo,
  • underhanded,
  • hallucinatory.
  •unsafe (adjective)
  • fearsome,
  • on a limb,
  • explosive.
  •unsound (adjective)
  • crazed,
  • tottering,
  • delicate,
  • illogical,
  • demented,
  • diseased,
  • insubstantial,
  • defective,
  • unstable,
  • shaky,
  • unsubstantial,
  • lunatic,
  • flawed,
  • insane,
  • unbalanced,
  • inaccurate,
  • unhinged,
  • weak,
  • unhealthy,
  • erroneous,
  • infirm,
  • wobbly,
  • fragile,
  • ill,
  • unbacked,
  • unsafe,
  • frail,
  • decrepit,
  • unwell,
  • dangerous,
  • not solid,
  • deranged,
  • rickety,
  • incongruous,
  • incorrect,
  • invalid,
  • false,
  • mad,
  • unreliable,
  • faulty,
  • unsteady,
  • specious,
  • ailing,
  • insecure,
  • in poor health,
  • fallacious.
  •unsteady (adjective)
  • wayward,
  • fluctuating,
  • Wabbly,
  • shifting,
  • wiggly,
  • Teetering,
  • tippy.
  •untenable (adjective)
  • unsupportable.
  •untrue (adjective)
  • traitorous,
  • Forsworn,
  • disloyal,
  • two-faced,
  • dissembling,
  • deviant,
  • out of line,
  • perfidious,
  • recreant,
  • unloyal,
  • Perjured,
  • cheating,
  • Prevaricating.
  •unwholesome (adjective)
  • toxic,
  • immoral,
  • decayed,
  • evil,
  • pathological,
  • impure,
  • pernicious,
  • unclean,
  • inimical,
  • repulsive.
  •unwise (adjective)
  • impolitic,
  • inept,
  • thoughtless,
  • naive,
  • inadvisable,
  • reckless,
  • rash,
  • childish,
  • short-sighted,
  • indiscreet,
  • improvident,
  • ill-considered.
  •wanting (adjective)
  • missing,
  • Omitted,
  • cut off,
  • burned out,
  • short,
  • absent,
  • unfulfilled,
  • scanty,
  • shy,
  • scarce,
  • not up to par,
  • bankrupt,
  • not good enough,
  • needed,
  • devoid,
  • cooked,
  • away,
  • less,
  • scant,
  • out of gas,
  • destitute,
  • deprived,
  • in default,
  • bereft.
  •weak (adjective)
  • languorous,
  • hesitant,
  • exhausted,
  • limp,
  • enervated,
  • prostrate,
  • spent,
  • flaccid,
  • Impuissant,
  • powerless,
  • forceless,
  • languid,
  • torpid,
  • lackadaisical,
  • spindly,
  • sluggish,
  • weakened,
  • supine.
  •wicked (adjective)
  • intense,
  • vexatious,
  • fierce,
  • ugly,
  • outrageous,
  • galling,
  • troublous,
  • distressing,
  • terrible,
  • awful,
  • unconscionable,
  • fearful,
  • uncivilized,
  • unholy,
  • acute,
  • trying,
  • barbarous,
  • mighty,
  • severe,
  • agonizing,
  • pesky,
  • injurious,
  • painful,
  • ungodly,
  • bothersome,
  • crashing.
  •wrong (adjective)
  • out of commission,
  • mishandled,
  • off-target,
  • not right,
  • goofed,
  • not precise,
  • misfigured,
  • astray,
  • on the wrong track,
  • miscalculated,
  • fluffed,
  • erring.

Antonyms for Un-sound:

• adj.

  • broken-down
    well-kept, intact.
  • chancy
    not dangerous, tried.
  • daft
    bright, smart, understanding, brainy, intelligent.
  • damaged
    undamaged, fixed, ok, repaired, working, Mended, unbroken.
  • decrepit
    nice, fit, young, good, solid, sturdy, hearty.
  • defective
    excellent, adequate, sufficient, ample, faultless, flawless, enough.
  • demented
    sensible, calm.
  • erroneous
    precise, real, substantiated, genuine.
  • fallacious
    truthful.
  • false
    known, open, factual, moral, fair, authentic, straight, faithful, frank, trustworthy, proven, actual, sincere.
  • faulty
    complete.
  • flimsy
    serious, convincing, tough, heavy, substantial, thick, plausible.
  • fragile
    durable, unbreakable, able.
  • frail
    rough, fat.
  • hairy
    balding, clean, hairless, bald.
  • hazardous
    guarded, predictable, definite.
  • hazy
    unconfused, clear, unhazy, distinct, Explained, Uncloudy, sunny.
  • hollow
    high, soft, meaningful, convex, earnest, full, light, raised.
  • illogical
    wise, logical.
  • impaired
    happy.
  • imperfect
    finished, unblemished, unflawed, developed, pure.
  • incorrect
    fitting, proper, suitable, appropriate.
  • infirm
    robust.
  • insecure
    unshaky, confident.
  • invalid
    worthy, worthwhile.
  • irrational
    reflective, responsible, thoughtful, realistic.
  • mad
    disenchanted, unenthusiastic, Cheered, collected.
  • mistaken
    exact.
  • morbid
    joyful, pleasant, pleased, cheerful.
  • perilous
    easy.
  • puny
    huge, giant, important, large, big, significant.
  • risky
    harmless, insensitive, assured.
  • rotten
    Uncorrupt, sweet, great, helpful, perfumed, friendly, kind, decent, pleasing, superior, agreeable, Undecayed, fresh, wholesome, wonderful, magnificent, new.
  • senseless
    feeling.
  • shaky
    undoubted, unwavering, Indubious, brave.
  • shallow
    considered, deep, aware.
  • specious
    credible.
  • treacherous
    loyal, uncomplicated, untreacherous, forthright, straightforward.
  • twisted
    untwisted, simple.
  • unbalanced
    even.
  • undependable
    dependable.
  • unreliable
    constant.
  • unsound
    rational, firm, reasonable, healthy, correct, just, sane, honest, protected, certain, reliable, right, well, accurate, balanced, valid, secure, stable, perfect, sound, true, strong, safe, steady, sure.
  • unwholesome
    nutritious, seemly, healthful.
  • unwise
    cautious, prudent, sagacious, careful, discreet.
  • wanting
    present, satisfactory, existing.
  • weak
    concentrated, powerful, noisy, active, bold, capable, loud, potent.
  • wicked
    gentle, Aiding, Assisting, amateur, useful.
  • wrong
    acceptable.