- (a.) No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; -- applied chiefly to words, writings or observances.
- (a.) Not very distinct; obscure; rudimental; imperfectly developed; abortive.
- (v.i.) To become obsolete; to go out of use.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). obsolete. Retrieved September 22, 2026, from http://smartdefine.org/obsolete/definitions/2038072 |
| Chicago | Webster's. 2011. "obsolete" http://smartdefine.org/obsolete/definitions/2038072 (accessed September 22, 2026). |
| Harvard | Webster's 2011, obsolete, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/obsolete/definitions/2038072>. |
| MLA | Webster's. "obsolete" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/obsolete/definitions/2038072> |