fabulous /ˈfæbjʊləs/ adjective7 •(slang) excellent, much better than most •Characteristic of fables; marvelous, extraordinary, incredible.[F]abulous forces are there encountered and a decisive victory is won: […] — 1949 •(slang) Fashionable, glamorous. •Of or relating to fable, myth or legend. •Fictional or not believable; made up. •(slang) Camp, effeminate. •(no longer used) Known for telling fables or falsehoods; unreliable. formsmore fabulous · most fabulous