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.
  •pseudo (adjective)
  • pretend,
  • simulated,
  • quasi.
  •suppositious (adjective)
  • fake.
  •suspicious (adjective)
  • open,
  • unsure,
  • different,
  • funny,
  • too much,
  • irregular,
  • borderline,
  • disputable,
  • shaky,
  • unusual,
  • peculiar,
  • equivocal,
  • reaching,
  • questionable,
  • uncertain,
  • overt,
  • shady,
  • suspect,
  • debatable,
  • uncommon,
  • farfetched,
  • problematic.

• Other synonyms:

  •adj.
  • pirate,
  • planter,
  • pretentious,
  • snide,
  • counterfeit,
  • pseudo,
  • suppositious,
  • supposititious,
  • suspicious,
  • Doubtable,
  • Crocker,
  • not real,
  • open to doubt,
  • open to question,
  • not genuine,
  • out of line,
  • not legit,
  • rings untrue,
  • soft shell,
  • won't fly,
  • won't wash.
  •n.
  • dishonorable,
  • doubtful,
  • dubious,
  • shameless.

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.