Synonyms of deceitful in English:

deceitful


See US English definition of deceitful

See UK English definition of deceitful

See Spanish definition of falso

adjective

1‘he is surrounded by deceitful advisors’

SYNONYMS
dishonest, untruthful, lying, mendacious, insincere, false, deceiving, dissembling, disingenuous, untrustworthy, unscrupulous, unprincipled, two-faced, duplicitous, double-dealing, cheating, underhand, crafty, cunning, sly, guileful, scheming, calculating, conniving, designing, hypocritical, perfidious, treacherous, Machiavellian, Janus-faced
informal sneaky, tricky, foxy, crooked, sharp, shady, shifty, slippery
British informal bent
South African informal slim
archaic subtle, hollow-hearted
rare false-hearted, double-faced, truthless, Punic
ANTONYMS

honest

2‘they dismissed the allegations as deceitful’

SYNONYMS
fraudulent, counterfeit, fabricated, invented, concocted, made up, trumped up, untrue, hollow, false, sham, bogus, fake, illusory, spurious, specious, fallacious, deceptive, misleading, misguided, distorted
informal fakey
humorous economical with the truth
ANTONYMS

true