IELTS Speaking · Vocabulary

obsolete

adjective/ˈɒbsəliːt/Band 8

Last updated 21 July 2026

In short

“obsolete” is a Band 8 adjective that means no longer produced or used; out of date. Below you'll find its pronunciation, natural example sentences, synonyms and antonyms, and the collocations that help you use it accurately in the IELTS Speaking test.

Meaning

No longer produced or used; out of date.

Example sentences

Natural, spoken examples at the level an examiner rewards.

  • New models make older devices obsolete within a year.
  • Some skills quickly become obsolete in a fast-moving industry.

Synonyms & antonyms

Synonyms

outdatedout of dateantiquateddefunct

Antonyms

currentup to datemodern

Collocations & common phrases

Word partners that make your usage sound natural — the difference between knowing a word and using it well.

Collocations

become obsoleterender obsoletetechnologically obsolete

Common phrases

planned obsolescence

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Frequently asked questions

What does “obsolete” mean?
No longer produced or used; out of date.
How do you use “obsolete” in a sentence?
For example: “New models make older devices obsolete within a year.”
What are some synonyms for “obsolete”?
Synonyms include outdated, out of date, antiquated, defunct.
Is “obsolete” good vocabulary for IELTS Speaking?
Yes. It is Band 8 vocabulary, and collocations such as become obsolete, render obsolete, technologically obsolete help you use it naturally. Reaching for precise, less common words like this is exactly what lifts your Lexical Resource score.

Next step

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