false

adj

1. untrue, untruthful, unveracious, mendacious, devoid of truth, not right; lying, fibbing, perjured, forsworn; fabricative, fabricated, trumped up.

2. erroneous, mistaken, incorrect, amiss, wrong, all wrong, Sl. all wet, Sl. full of beans or prunes, Sl. full of hot air; inaccurate, inexact, imprecise, unprecise; faulty, flawed, unsound, illogical, Sl. cockeyed; in error, erring, in the wrong; astray, wide of the mark, Inf. off base, Sl. off the beam, Sl. at sea, Sl. out in left field; off key, off pitch, not in tune.

3. treacherous, traitorous, treasonous, disloyal, perfidious, unfaithful, faithless, inconstant, recreant; insincere, disingenuous, false-hearted, affected, two-faced; dishonest, dishonorable, untrustworthy; Machiavellian, cunning, conniving, double-dealing, wily, sly; cantish, pharisaic, tartuffish, hypocritical.

4. deceptive, deceitful, fallacious, delusive, disappointing; misleading, roundabout, circuitous, hedging, double-tongued; artful, tricky, meretricious, shifty, duplicitous; evasive, ambiguous, equivocal, questionable, dubious, suspicious.

5. counterfeit, forged, fraudulent, imitation, fake, faked, Inf. phony; not genuine, bogus, spurious, supposititious, bastardly; pretended, feigned, simulated, make-believe, sham, flash; unreal, mock, ersatz, synthetic; artificial, factitious, contrived, Sl. hokey, fictitious; assumed, put-on, pseudo; specious, theatrical.