nonexistent
[adjective]
Synonyms: imaginary, chimerical, fictional, hypothetical, illusory, legendary, mythical, unreal

[TahlilGaran] English Synonym Dictionary ▲

non‧ex‧ist‧ent /ˌnɒnɪɡˈzɪstənt◂ $ ˌnɑːn-/ adjective
[Word Family: noun: existence ≠ non-existence, existent, existentialism, existentialist, coexistence; adjective: existent ≠ nonexistent, existing, pre-existing, existential, existentialist; verb: exist, coexist]
something that is nonexistent does not exist at all, or is not present in a particular place
almost/virtually/practically etc nonexistent
On a Sunday morning traffic was almost nonexistent.
—non-existence noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲