Synonyms for Un-trustworthy:

• adj.

  •corrupt (adjective)
  • nefarious,
  • exploiting,
  • profiteering,
  • iniquitous,
  • knavish,
  • mercenary,
  • rotten,
  • snide,
  • venal,
  • tainted,
  • fraudulent,
  • bribable,
  • foul,
  • reprobate,
  • Suborned,
  • extortionate,
  • base,
  • unscrupulous,
  • unfaithful,
  • debauched,
  • open,
  • fast and loose,
  • gone to the dogs,
  • double-dealing,
  • on the take,
  • untrustworthy,
  • fixed,
  • wide open,
  • racket up,
  • padded,
  • praetorian,
  • underhanded,
  • inconstant,
  • bent,
  • perfidious,
  • unethical,
  • unprincipled.
  •deceitful (adjective)
  • misleading,
  • wily,
  • duplicitous,
  • crafty,
  • furtive,
  • stealthy,
  • roguish,
  • cunning,
  • illusory,
  • delusory,
  • deceptive,
  • fallacious,
  • clandestine,
  • lying,
  • underhand,
  • artful,
  • indirect,
  • Deceiving,
  • delusive,
  • hypocritical,
  • counterfeit,
  • astute,
  • rascal,
  • feline,
  • mendacious,
  • slick,
  • beguiling,
  • disingenuous,
  • subtle,
  • insidious,
  • Impostrous,
  • Astucious,
  • untruthful,
  • foxy,
  • sly,
  • designing.
  •derelict (adjective)
  • lax,
  • delinquent,
  • Disregardful,
  • slack,
  • remiss,
  • regardless,
  • behindhand.
  •dishonest (adjective)
  • recreant,
  • unfair,
  • corrupt,
  • Swindling,
  • cheating,
  • unctuous,
  • villainous,
  • sinister,
  • Bluffing,
  • Backbiting,
  • disreputable,
  • traitorous,
  • double-crossing,
  • elusive,
  • hoodwinking,
  • sneaking.
  •dishonorable (adjective)
  • ignoble,
  • despicable,
  • miscreant,
  • disgraceful,
  • low,
  • discreditable,
  • scandalous,
  • infamous,
  • ignominious,
  • contemptible,
  • putrid,
  • inglorious,
  • blackguardly,
  • shabby,
  • opprobious,
  • unrespectable,
  • offensive.
  •disloyal (adjective)
  • seditious,
  • unpatriotic,
  • subversive,
  • disaffected,
  • estranged,
  • treasonable,
  • alienated,
  • wormlike,
  • unloyal,
  • snaky,
  • apostate.
  •double-dealing (adjective)
  • double,
  • ambidextrous,
  • left- handed,
  • insincere.
  •dubious (adjective)
  • indecisive,
  • unlikely,
  • disputable,
  • perplexed,
  • fishy,
  • uncertain,
  • problematic,
  • moot,
  • Mootable,
  • unclear,
  • unconvinced,
  • skeptical,
  • hesitant,
  • suspicious,
  • suspect,
  • chancy,
  • iffy,
  • touch and go,
  • reluctant,
  • improbable,
  • dubitable,
  • arguable,
  • wavering,
  • diffident,
  • equivocal,
  • far-fetched,
  • debatable,
  • undecided.
  •faithless (adjective)
  • doubting,
  • changeful,
  • unstable,
  • unconverted,
  • unbelieving,
  • fluctuating,
  • changeable.
  •fallible (adjective)
  • imperfect,
  • in question,
  • human,
  • weak,
  • ignorant,
  • mortal,
  • errant,
  • careless,
  • liable,
  • erring,
  • frail,
  • heedless,
  • Errable,
  • faulty.
  •false (adjective)
  • Canting,
  • Deluding,
  • scoundrelly,
  • falsehearted,
  • wicked,
  • Perjured,
  • malevolent,
  • dishonorable,
  • Forsworn,
  • malicious,
  • rascally,
  • renegade,
  • mythomaniac,
  • mean.
  •fly-by-night (adjective)
  • impermanent,
  • here-today-gone-tomorrow,
  • not to be relied upon,
  • evanescent,
  • temporary,
  • not to be trusted,
  • short-lived,
  • slimy,
  • momentary,
  • cowboy,
  • fleeting,
  • ephemeral,
  • brief,
  • unprofessional,
  • passing.
  •irresponsible (adjective)
  • immature,
  • flighty,
  • carefree,
  • unanswerable,
  • immoral,
  • harebrained,
  • loose,
  • wild,
  • thoughtless,
  • unpredictable,
  • devil-may-care,
  • unaccountable,
  • giddy,
  • no-account,
  • rash,
  • feckless,
  • uncareful,
  • incautious,
  • scatterbrained,
  • ill-considered,
  • shiftless.
  •perfidious (adjective)
  • betraying,
  • snake in the grass.
  •rotten (adjective)
  • flagitious,
  • vicious,
  • vitiated,
  • depraved,
  • sullied,
  • Dirtied,
  • polluted,
  • soiled,
  • impure,
  • defiled,
  • filthy,
  • degenerate,
  • contaminated,
  • unclean,
  • perverse.
  •shady (adjective)
  • notorious,
  • shoddy,
  • shameful.
  •slippery (adjective)
  • smooth,
  • cagey,
  • mutable,
  • unsteady,
  • evasive,
  • insecure,
  • variable,
  • slithery.
  •sneaky (adjective)
  • nasty,
  • cowardly,
  • yellow,
  • secretive,
  • surreptitious.
  •tottering (adjective)
  • tottery.
  •tottery (adjective)
  • tottering.
  •treacherous (adjective)
  • catchy,
  • False-hearted.
  •undependable (adjective)
  • indefinite,
  • erratic,
  • no bargain,
  • unsound,
  • bum,
  • inconsistent,
  • trick,
  • no-good,
  • indeterminate.
  •unfaithful (adjective)
  • moonlighting,
  • adulterine,
  • philandering,
  • not true to,
  • incontinent,
  • unchaste,
  • of bad faith,
  • foresworn.
  •unreliable (adjective)
  • implausible,
  • pretended,
  • fake,
  • unconvincing,
  • erroneous,
  • mistaken,
  • pseudo,
  • inaccurate,
  • specious,
  • sham,
  • fallible,
  • meretricious,
  • hallucinatory,
  • hollow,
  • vacillating,
  • makeshift.
  •unsafe (adjective)
  • threatening,
  • ticklish,
  • risky,
  • on thin ice,
  • shaky,
  • hanging by a thread,
  • explosive,
  • alarming,
  • touchy,
  • fearsome,
  • perilous,
  • precarious,
  • on a limb,
  • hazardous.
  •unstable/unsteady (adjective)
  • mobile,
  • fitful,
  • ambiguous,
  • wiggly,
  • movable,
  • lubricious,
  • rickety,
  • Teetering,
  • volatile,
  • wobbly,
  • borderline,
  • weaving,
  • irrational,
  • rocky,
  • sensitive,
  • dizzy,
  • not fixed,
  • moving,
  • temperamental,
  • mercurial,
  • unsettled.
  •unsure (adjective)
  • rootless,
  • up for grabs,
  • wimpy,
  • lacking,
  • mistrustful,
  • Fluctuant,
  • distrustful,
  • betwixt and between,
  • in a quandary,
  • unconfident,
  • irresolute.
  •untrue (adjective)
  • fictitious,
  • wrong,
  • Prevaricating,
  • dissembling,
  • spurious,
  • out of line,
  • inexact,
  • off,
  • imprecise,
  • counterfactual,
  • distorted,
  • deviant,
  • apocryphal,
  • wide,
  • incorrect.
  •untrustworthy (adjective)
  • fink,
  • two-timing,
  • fair-weather,
  • fly-by-night,
  • sneaky,
  • shifty,
  • faithless,
  • devious,
  • unsafe,
  • untrue,
  • slippery,
  • disloyal,
  • treacherous,
  • irresponsible,
  • conniving,
  • unreliable,
  • dubious,
  • unsure,
  • shady,
  • undependable,
  • capricious,
  • unassured,
  • false,
  • dishonest,
  • crooked,
  • questionable,
  • guileful,
  • untrusty,
  • fickle,
  • two-faced,
  • tricky,
  • Trustless,
  • deceitful,
  • sharp.

Antonyms for Un-trustworthy:

• adj.

  • corrupt
    clean, honorable, helpful, ethical, Uncorrupt, noble, pure, wholesome, kind, sound, upright, purified, high, principled, decent, good, moral, respectable.
  • deceitful
    genuine, valid, authentic, real, forthright, actual, just, naive, ingenuous, sincere.
  • derelict
    caring, careful, populated, improved.
  • dishonest
    fair, aboveboard, straight, scrupulous.
  • dishonorable
    blameless, worthy.
  • dubious
    believable, likely, determined, clear, unobscure, secure, trusty, Undoubtful, positive, unquestionable, Indubious, unambiguous, doubtless, sure, certain, definite, probable, undoubted.
  • faithless
    believing, constant.
  • fallible
    infallible, correct, unerring, perfect, strong.
  • false
    known, accurate, precise, factual, substantiated, right.
  • fly-by-night
    lasting, enduring, reputable, long, permanent.
  • irresponsible
    accountable, liable.
  • rotten
    nice, fresh, pleasant, new, Undecayed, superior.
  • shady
    bright, light.
  • slippery
    dry, coarse, unslippery, rough, stable.
  • sneaky
    candid, straightforward.
  • treacherous
    untreacherous.
  • unreliable
    steady.
  • unsafe
    protected, safe.
  • unstable
    predictable, confident, guarded, unchanging, easy, firm, unshaky, happy.
  • unsure
    unwavering.
  • untrustworthy
    honest, responsible, harmless, frank, trustworthy, reliable, dependable, loyal, open, true, faithful, truthful.