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WordReference Random House Learner's Dictionary of American English © 2024ob•so•lete /ˌɑbsəˈlit, ˈɑbsəˌlit/USA pronunciation adj. - no longer in general use;
fallen into disuse:obsolete customs. - no longer useful;
out-of-date:an obsolete battleship.
WordReference Random House Unabridged Dictionary of American English © 2024ob•so•lete (ob′sə lēt′, ob′sə lēt′),USA pronunciation adj., v., -let•ed, -let•ing. adj. - no longer in general use;
fallen into disuse:an obsolete expression. - of a discarded or outmoded type;
out of date:an obsolete battleship. - Linguistics(of a linguistic form) no longer in use, esp., out of use for at least the past century. Cf. archaic.
- effaced by wearing down or away.
- Developmental Biology[Biol.]imperfectly developed or rudimentary in comparison with the corresponding character in other individuals, as of the opposite sex or of a related species.
v.t. - to make obsolete by replacing with something newer or better;
antiquate:Automation has obsoleted many factory workers.
- Latin obsolētus, past participle of obsolēscere to fall into disuse, perh. equivalent. to ob- ob- + sol(ēre) to be accustomed to + -ēscere -esce
- 1570–80
- 2.See corresponding entry in Unabridged antiquated, ancient, old.
- 1, 2.See corresponding entry in Unabridged new, modern.
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