nonextant

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. no longer in existence;
lost or especially having died out leaving no living representatives
- an extinct species of fish
- an extinct royal family
- extinct laws and customs
• Syn:
extinct
• Ant:
extant (for: extinct)
• Similar to:
dead
• See Also:
nonexistent
2. no longer existing or inaccessible through loss or destruction
- "its nonextant original was written on vellum"- G.B.Saul
• Similar to:
nonexistent