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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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

But workers are worried about “FOBO” — the fear of becoming obsolete if artificial intelligence takes over their work.

From MarketWatch • Apr. 3, 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

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

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

On that newfangled but soon-to-be obsolete machine I wrote not so much like a kid from the Midwest as a minister’s daughter from Shropshire.

From "Middlesex: A Novel" by Jeffrey Eugenides

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