The Oxford Thesaurus An A-Z Dictionary of Synonyms - false adj.

1) untrue, unfactual, untruthful, wrong, amiss, mistaken, erroneous, incorrect, inaccurate, inexact, imprecise, faulty, flawed, invalid, unsound, unreal, imaginary, fictitious, spurious: The explorers gave a completely false picture of the local inhabitants. 2) untrue, untruthful, lying, misleading, fallacious, fabricated, made-up, concocted, mendacious, untrustworthy, fraudulent, meretricious, deceptive, deceitful, treacherous, Colloq phoney or US also phony: The testimony of this witness is completely false. 3) counterfeit, imitation, simulated, sham, forged, fraudulent, fake, artificial, synthetic, manufactured, unnatural, spurious, bogus, ersatz, factitious, mock, pseudo, Colloq phoney or US also phony: Your false teeth look almost real. 4) sham, feigned, affected, insincere, faked, manufactured, counterfeit(ed) : Don't shed any false tears over me when I'm gone. 5) illogical, fallacious, unsound, invalid, flawed, faulty: That conclusion could come only from false reasoning.