Word family noun existence ≠ non-existence existent existentialism existentialist coexistence adjective existent ≠ nonexistent existing pre-existing existential existentialist verb exist coexist 
From Longman Dictionary of Contemporary Englishexistentex‧ist‧ent1 /ɪɡˈzɪstənt/ adjective formal  EXISTexisting now OPP nonexistent existent differencesExamples from the Corpus
existent• Now all possibilities, as possibilities, are necessarily existent.• The roads were empty, tourists non existent.• Science deals with the existent, real, concrete and functional images.existentexistent2 noun [countable] technical  something that is real and exists 
