Answer: falsest

AnswerCrossword Clue
falsestArtificial
falsestTreacherous; unfaithful
falsestIllusory; not actually so
falsestNot according with rules or law
falsestNot according with truth or fact; incorrect
falsestUsed in names of plants, animals, and gems that superficially resemble the thing properly so called, e.g., false oat, false killer whale
falsestAppearing to be the thing denoted; deliberately made or meant to deceive
falsestFALSE, not genuine
falsestFeigned
FALSESTLeast faithful, as a friend
FALSESTLeast genuine
FALSESTLeast legitimate
FALSESTLeast loyal
FALSESTMost treacherous
FALSESTLeast honest
FALSESTLeast faithful
FALSESTLeast factual