adjective
- No longer in existence; lost or especially having died out leaving no living representatives.
- usage: "an extinct species of fish"; "an extinct royal family"; "extinct laws and customs"
- synonyms: nonextant
- Of e. G. Volcanos. ( permanently inactive)
- usage: "an extinct volcano"
- Being out or having grown cold.
- usage: "threw his extinct cigarette into the stream"; "the fire is out"
- synonyms: out
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). extinct. Retrieved September 20, 2026, from http://smartdefine.org/extinct/definitions/1173774 |
| Chicago | WordNet. 2010. "extinct" http://smartdefine.org/extinct/definitions/1173774 (accessed September 20, 2026). |
| Harvard | WordNet 2010, extinct, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/extinct/definitions/1173774>. |
| MLA | WordNet. "extinct" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/extinct/definitions/1173774> |