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antiquated archaic out-of-date outmoded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buggy kaput moldy moth-eaten old old-fashioned old-hat old-school out out-of-fashion outworn passé stale superannuated superseded timeworn unfashionable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

If the computing platform cannot be updated, or too many components fail, it may become obsolete long before the surrounding infrastructure reaches the end of its useful life.

From Science Daily • Jun. 19, 2026

New toy: Lilypad, a frog-shaped tablet who renders regular toys obsolete.

From The Wall Street Journal • Jun. 17, 2026

In an amoral age, when so little of what’s seen and said is believable, rules are virtually obsolete.

From Salon • Jun. 13, 2026

Investors are concerned that many software companies will be rendered obsolete by AI.

From Barron's • Jun. 11, 2026

“I particularly enjoyed your description of me as an obsolete dingbat.”

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling

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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