adjective
1.
suggestive of fiction especially in lacking a sound factual basis
fictitious values in logic
Synonyms: chimerical, fanciful, fantastic, fictional, fictive, illusory, imaginary, suppositious, supposititious, unreal
Related Word: concocted, created, invented, made; fabricated, fashioned; cooked-up, false, made-up, trumped-up, untrue; romantic
Contrasted words: actual, real, true; authentic, genuine; factual, veritable; truthful, veracious, verisimilar
2.
not genuine
the gigolo wooed the heiress with fictitious ardor
Synonyms: fake, mock, sham, simulated; compare artificial 2
Related Word: deceptive, delusive, delusory, misleading; dishonest, unreal, untrue; artificial, ersatz, factitious, synthetic
Contrasted words: authentic, bona fide, veritable; actual, honest, real, true
Antonyms: genuine