Adjective fictitious has 2 senses
  1. fabricated, fancied, fictional, fictitious, invented, made-up - formed or conceived by the imagination; "a fabricated excuse for his absence"; "a fancied wrong"; "a fictional character"; "used fictitious names"; "a made-up story"
    Antonyms: real, existent (indirect, via unreal)
  2. assumed, false, fictitious, fictive, pretended, put on, sham - 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"
    Antonyms: genuine, echt (indirect, via counterfeit)