Crossword Dictionary

FALSE

false - a 
not in accordance with the fact or reality or actuality; "gave false testimony under oath"; "false tales of bravery" 
erroneous and usually accidental; "a false start"; "a false alarm" 
deliberately deceptive; "false pretenses" 
designed to deceive; "a suitcase with a false bottom" 

wordplays

Synonyms

erroneous, inaccurate, incorrect, inexact, invalid, off, unsound, untrue, untruthful, wrong

merriam-webster

Examples

“The story that Earl Godwine himself was of churlish birth, whether true or false, marks the possibility of such a rise.”

“In regard to the grist tax especially, the agitators of the Left had placed their party in a radically false position.”

“It has given rise to a false idea that he lived to a great age; some medieval authorities making him ninety when he died.”

yourdictionary

Etymology

late Old English, "intentionally untrue, lying," of religion, "not of the true faith, not in accord with Christian doctrines," from Old French fals, faus "false, fake; incorrect, mistaken; treacherous, deceitful" (12c., Modern French faux), from Latin falsus "deceptive, feigned, deceitful, pretend," also "deceived, erroneous, mistaken," past participle of fallere "deceive, disappoint," which is of uncertain origin (see fail (v.)).

etymonline