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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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

“Top of this list is Intel, whose x86 architecture was effectively called out as obsolete in both the data center and the PC, both of which are Intel’s core markets.”

From Barron's • Jun. 1, 2026

For decades, the common assumption has been that science, technology and the secular worldview would progressively render religion obsolete.

From The Wall Street Journal • May 29, 2026

There’s been speculation for years when club sports, travel ball and showcases might make education-based high school sports obsolete or irrelevant.

From Los Angeles Times • May 29, 2026

Headlines warn that agentic AI is breaking the SaaS business model, lowering software valuations and making entire categories of enterprise tools obsolete.

From MarketWatch • May 27, 2026

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

From "The Invention of Science" by David Wootton

Vocabulary lists containing obsolete

The Giver

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Essential Academic Vocabulary for High School Students, List 3

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List 6

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