unbegotten

CIDE DICTIONARY

unbegotten, a. [Pref. un- not + begot, begotten.].

 Not begot; not yet generated; also, having never been generated; self-existent; eternal.  [1913 Webster]

OXFORD DICTIONARY

unbegotten, adj. not begotten.

ROGET THESAURUS

unbegotten

Inexistence

N inexistence, nonexistence, nonsubsistence, nonentity, nil, negativeness, nullity, nihility, nihilism, tabula rasa, blank, abeyance, absence, no such thing, nonbeing, nothingness, oblivion, annihilation, extinction, extinguishment, extirpation, Nirvana, obliteration, inexistent, nonexistent, negative, blank, missing, omitted, absent, insubstantial, shadowy, spectral, visionary, unreal, potential, virtual, baseless, in nubibus, unsubstantial, vain, unborn, uncreated, unbegotten, unconceived, unproduced, unmade, perished, annihilated extinct, exhausted, gone, lost, vanished, departed, gone with the wind, defunct, fabulous, ideal, supposititious &c, negatively, virtually, non ens.