Synonyms of untrue

1 Syllable

wrong, shams, sham, off, wide

2 Syllables

made-up, disloyal, falser, shamming, floater, shamer, faithless, false, truthless, wronging, forsworn, unloyal, fluffed, wronger, wrongest, specious, flawed, mythic, spurious, unsound, hollow, falsest, recreant, way-off, cheating, lying, deviant, fickler

3 Syllables

deceitful, casuistic, trumped-up, sophistic, fallacious, mythical, invalid, phoniness, phantasmal, fictitious, distorted, folkloric, libelous, inconstant, ill-founded, misleading, reasonless, scandalous, moonlighting, incorrect, erroneous, mistaken, treacherous, perjured, perfidious, inexact, phantasmic, mendacious, traitorous, two-faced, foresworn, untruthful, treasonous, cooked-up, dissembling, unfounded, unfaithful

4 Syllables

untrustworthy, delusive, illusory, meretricious, unreliable, unpatriotic, treasonable, mythologic, falsehearted, apocryphal, deceptive, counterfactual, misfigured, aspersive, insincere, imprecise, undutiful, barmecidal, unconverted

5 Syllables

phantasmagoric, mythological, calumniatory, prevaricating, adulterine, inaccurate

6 Syllables

unauthenticated

7 Syllables

misrepresentative