Roget's Thesaurus

#2. Inexistence

Nouns

inexistence; nonexistence, nonsubsistence; nonentity, nil; negativeness etc. adj.; nullity; nihility, nihilism; tabula rasa [Lat.], blank; abeyance; absence etc. 187; no such thing etc. 4; nonbeing, nothingness, oblivion. annihilation; extinction etc. (destruction) 162; extinguishment, extirpation, Nirvana, obliteration.

Verbs

not exist etc. 1; have no existence etc. 1; be null and void; cease to exist etc. 1; pass away, perish; be extinct, become extinct etc. adj.; die out; disappear etc. 449; melt away, dissolve, leave not a rack behind; go, be no more; die etc. 360. annihilate, render null, nullify; abrogate etc. 756; destroy etc. 162; take away; remove etc. (displace) 185; obliterate, extirpate.

Adjectives

inexistent, nonexistent etc. 1; negative, blank; missing, omitted; absent etc. 187; insubstantial, shadowy, spectral, visionary. unreal, potential, virtual; baseless, in nubibus [Lat.]; unsubstantial etc. 4; vain. unborn, uncreated, unbegotten, unconceived, unproduced, unmade. perished, annihilated etc. v.; extinct, exhausted, gone, lost, vanished, departed, gone with the wind; defunct etc. (dead) 360. fabulous, ideal etc. (imaginary) 515, supposititious etc. 514.

Adverbs

negatively, virtually etc. adj..

Phrases

non ens [Lat.].