Synonyms for false

Adjective

1. false (vs. true), mendacious, specious, trumped-up(prenominal), untrue, wrong, dishonest#1, dishonorable, counterfeit#1, imitative, incorrect#1, wrong, insincere

usage: not in accordance with the fact or reality or actuality; "gave false testimony under oath"; "false tales of bravery"

2. false, mistaken, incorrect (vs. correct), wrong (vs. right)

usage: arising from error; "a false assumption"; "a mistaken view of the situation"

3. false, invalid (vs. valid)

usage: erroneous and usually accidental; "a false start"; "a false alarm"

4. false, hollow, insincere (vs. sincere)

usage: deliberately deceptive; "hollow (or false) promises"; "false pretenses"

5. delusive, false, unrealistic (vs. realistic)

usage: inappropriate to reality or facts; "delusive faith in a wonder drug"; "delusive expectations"; "false hopes"

6. fake, false, faux, imitation, simulated, artificial (vs. natural), unreal

usage: not genuine or real; being an imitation of the genuine article; "it isn't fake anything; it's real synthetic fur"; "faux pearls"; "false teeth"; "decorated with imitation palm leaves"; "a purse of simulated alligator hide"

7. false, dishonest (vs. honest), dishonorable

usage: designed to deceive; "a suitcase with a false bottom"

8. false, off-key, sour, inharmonious (vs. harmonious), unharmonious

usage: inaccurate in pitch; "a false (or sour) note"; "her singing was off key"

9. assumed, false, fictitious, fictive, pretended, put on, sham, counterfeit (vs. genuine), imitative

usage: adopted in order to deceive; "an assumed name"; "an assumed cheerfulness"; "a fictitious address"; "fictive sympathy"; "a pretended interest"; "a put-on childish voice"; "sham modesty"

10. false, untrue, inconstant (vs. constant)

usage: (used especially of persons) not dependable in devotion or affection; unfaithful; "a false friend"; "when lovers prove untrue"

Adverb

1. faithlessly, traitorously, treacherously, treasonably, false

usage: in a disloyal and faithless manner; "he behaved treacherously"; "his wife played him false"