apocryphal
[adjective]
Synonyms: dubious, doubtful, legendary, mythical, questionable, unauthenticated, unsubstantiated

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Contrasted words: accurate, correct, established, factual, true, truthful, veracious, authentic
Related Idioms: open to question
Related Words: false, erroneous, inaccurate, incorrect, untrue, wrong, doubtful, dubious, questionable

[TahlilGaran] English Synonym Dictionary ▲

a‧poc‧ry‧phal /əˈpɒkrəfəl, əˈpɒkrɪfəl $ əˈpɑː-/ adjective
[Date: 1500-1600; Origin: apocrypha 'works not by the claimed writer' (14-21 centuries), from Late Latin, from apocryphus 'secret, not part of the official list of works', from Greek, from apokryptein 'to hide away', from apo- ( ⇒ apocalypse) + kryptein 'to hide']
an apocryphal story is well-known but probably not true

[TahlilGaran] Dictionary of Contemporary English ▲