nonexistent

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

not having existence or being or actuality (Freq. 3)
- chimeras are nonexistent
• Ant:
existent
• Similar to:
lacking, absent, missing, wanting, barren,
destitute, devoid, free, innocent, nonextant, vanished
• See Also:
extinct
• Derivationally related forms:
nonexistence
• Attrubites:
being, beingness, existence