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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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

When gunpowder arrived and the emerging nation-states rendered obsolete the old art of war dominated by feudal lords entrenched in their castles.

From The Wall Street Journal • Mar. 18, 2026

There was also a third word, now entirely obsolete, ‘physiologer’.

From "The Invention of Science" by David Wootton

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