Synonyms for Not kosher:

• adj.

  •counterfeit (adjective)
  • assumed,
  • false,
  • crock,
  • queer,
  • deceptive,
  • faked,
  • feigned,
  • affected,
  • wrong,
  • imitation,
  • plant,
  • mock,
  • misleading,
  • fictitious,
  • bogus,
  • fishy,
  • pretended,
  • hollywood,
  • sham,
  • delusory,
  • framed,
  • two-faced,
  • brummagem,
  • ersatz,
  • phony,
  • forged,
  • copied,
  • spurious,
  • bent,
  • put-on,
  • fraudulent,
  • delusive.
  •Other relevant words: (adjective)
  • Crocker,
  • pirate,
  • out of line,
  • soft shell,
  • pseudo,
  • open to question,
  • Doubtable,
  • planter,
  • not real,
  • open to doubt,
  • not legit,
  • counterfeit,
  • snide,
  • won't fly,
  • rings untrue,
  • suspicious,
  • won't wash,
  • suppositious,
  • pretentious,
  • not genuine,
  • supposititious.
  •pseudo (adjective)
  • pretend,
  • simulated,
  • quasi.
  •suppositious (adjective)
  • fake.
  •suspicious (adjective)
  • peculiar,
  • borderline,
  • suspect,
  • uncommon,
  • farfetched,
  • reaching,
  • overt,
  • debatable,
  • problematic,
  • questionable,
  • too much,
  • equivocal,
  • disputable,
  • unsure,
  • uncertain,
  • open,
  • unusual,
  • funny,
  • different,
  • shaky,
  • irregular.

• n.

  •Other relevant words: (noun)
  • doubtful,
  • dishonorable,
  • shameless,
  • dubious.

• Other synonyms:

  •Other relevant words (noun):
  • tricky,
  • slippery,
  • conscienceless,
  • shifty,
  • Ill-got,
  • unconscientious,
  • sinister,
  • fringy,
  • dishonourable,
  • heretical,
  • dishonest,
  • tref,
  • offbeat,
  • insidious,
  • implausible,
  • corrupted,
  • unreliable,
  • disreputable,
  • unconscionable,
  • way out,
  • far-fetched,
  • indistinct,
  • breakaway,
  • unethical,
  • kinky,
  • felonious,
  • odd,
  • maverick,
  • bohemian,
  • heterodox,
  • ill-gotten,
  • unprincipled,
  • underhanded,
  • out-of-the-way,
  • shady,
  • unorthodox,
  • underhand,
  • hippie,
  • criminal,
  • amoral,
  • evasive,
  • improbable.

Antonyms for Not kosher:

• adj.

  • counterfeit
    sincere, factual, actual, authentic, real, true, genuine, valid, ok, honest, truthful.
  • suspicious
    unquestionable, Indubious, trustworthy, secure, trusty, clear, palpable, certain, sure, undoubted, believable, innocent, definite.