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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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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.

A resumption of fears that artificial intelligence will render software obsolete was the other major component of Tuesday’s stock market losses, and ongoing worries about private credit meant a general risk-averse trading environment.

From Barron's • Mar. 25, 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’ business models could become obsolete.

From MarketWatch • Mar. 24, 2026

What engrossed him and his team was the Alto’s graphical display, which was destined to make the text-only displays of contemporary computers obsolete.

From Los Angeles Times • Mar. 24, 2026

But by the time Weiss posted about it, Jiang’s interview had been obsolete for days.

From Slate • Mar. 18, 2026

They are as obsolete as the old anecdotes in which they played their puzzling, ambiguous roles, and we have no more need for the beasts than for the stories.

From "The Lives of a Cell" by Lewis Thomas

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