- created, taken, or assumed for the sake of concealment; not genuine; false: fictitious names.
- of, relating to, or consisting of fiction; imaginatively produced or set forth; created by the imagination: a fictitious hero.
- not genuine or authentic; assumed; falseto give a fictitious address
- of, related to, or characteristic of fiction; created by the imagination
1610s, “artificial, counterfeit,” from Medieval Latin fictitus, a misspelling of Latin ficticius “artificial, counterfeit,” from fictus “feigned, fictitious, false,” past participle of fingere (see fiction). Related: Fictitiously.