Synonyms of false in English:

false


See US English definition of false

See UK English definition of false

See Spanish definition of falso

adjective

1‘he gave a false account of his movements’

SYNONYMS
incorrect, untrue, wrong, erroneous, fallacious, faulty, flawed, distorted, inaccurate, inexact, imprecise, invalid, unfounded
untruthful, fictitious, concocted, fabricated, invented, made up, trumped up, unreal, counterfeit, forged, fraudulent, spurious, misleading, deceptive
ANTONYMS

correct, truthful

2‘Briggs proved himself a false friend’

SYNONYMS
faithless, unfaithful, disloyal, untrue, inconstant, false-hearted, treacherous, traitorous, perfidious, two-faced, Janus-faced, double-dealing, double-crossing, deceitful, deceiving, deceptive, dishonourable, dishonest, duplicitous, hypocritical, untrustworthy, unreliable
untruthful, lying, mendacious
informal cheating, two-timing, back-stabbing
rare hollow-hearted, double-faced
ANTONYMS

faithful

3‘she would never wear false pearls’

SYNONYMS
fake, artificial, imitation, synthetic, simulated, reproduction, replica, ersatz, faux, plastic, man-made, dummy, mock, sham, bogus, so-called
counterfeit, feigned, forged
informal phoney, fakey, pretend, pseudo
ANTONYMS

genuine