From in- + existent.

• IPA: /ɪnɪɡˈzɪstənt/

inexistent (not comparable)

1. Nonexistent.
   • 1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC ↗:

     And first, although there were more things in nature than words which did expresse them, yet even in these mute and silent discourses, to expresse complexed significations, they took a liberty to compound and piece together creatures of allowable formes unto mixtures inexistent […]

• See also Thesaurus:inexistent