Webster's 1913 Dictionary
NONEXISTENT
NONEXISTENT Non `ex *ist "ent, a.
Defn: Not having existence.
New American Oxford Dictionary
nonexistent
non ex ist ent |ˌnänigˈzistənt ˌnɑnəɡˈzɪstənt | ▶adjective not existing, or not real or present: she pretended to tie a nonexistent shoelace. DERIVATIVES non ex ist ence noun
American Oxford Thesaurus
nonexistent
nonexistent adjective studio honchos would feed the press stories of the nonexistent guy-girl romances of their homosexual stars: imaginary, imagined, unreal, fictional, fictitious, made up, invented, fanciful; fantastic, mythical; illusory, hallucinatory, chimerical, notional, shadowy, insubstantial; missing, absent; literary illusive. ANTONYMS real.
The Wordsmith Dictionary