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Definitions

obsolete

[ob-suh-leet, ob-suh-leet] / ˌɒb səˈlit, ˈɒb səˌlit /
ADJECTIVE
no longer in use, in vogue
Synonyms
STRONGEST
antiquated archaic out-of-date outmoded
WEAK
anachronistic ancient antediluvian antique bygone dated dead dead and gone dinosaur discarded disused done for dusty extinct fossil gone had it has-been horse and buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable
Antonyms
STRONGEST
current modern new
WEAK
contemporary in vogue present up-to-date

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said Rough & Tumble will end the day he does — or sooner, if artificial intelligence renders Kavanagh and his role as host, news-gatherer and California guide obsolete.

From Los Angeles Times • Apr. 5, 2026

A narrative has arisen that AI will obsolete software vendors and their per-user subscription revenue model, and Friday’s news played into that story.

From Barron's • Mar. 30, 2026

Shares of software companies fell sharply on Tuesday after a release from a major artificial-intelligence player revived investor fears that some of those companies’ use cases would become obsolete.

From MarketWatch • Mar. 24, 2026

His concerns expanded more recently as advances in artificial-intelligence tools left investors wondering if they could render swaths of the software sector obsolete.

From The Wall Street Journal • Mar. 24, 2026

“I particularly enjoyed your description of me as an obsolete dingbat.”

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.