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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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

The standard emergency fund of three to six months of expenses in cash was built for a labor market that is becoming obsolete.

From MarketWatch • May 15, 2026

They were also allowed to operate largely undetected due to minimal monitoring of their activities, the use of obsolete systems by the firm and take advantage of failures including a lack of regular security scans.

From BBC • May 12, 2026

Investors have been concerned artificial intelligence would disrupt Monday.com’s customer acquisition channels and make some enterprise software products obsolete.

From Barron's • May 11, 2026

After ramping up lending to software companies over the past decade—partly for their recurring revenue—many funds are now contending with the possibility that artificial intelligence could render those companies obsolete.

From The Wall Street Journal • May 11, 2026

Known as SCR-268s, these had been rendered militarily obsolete before war’s end.

From "Big Science" by Michael Hiltzik

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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