IELTS Speaking · Vocabulary
obsolete
adjectiveˈɒbsəliːtBand 8
Last updated 2 September 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“obsolete” is a Band 8 adjective that means no longer produced or used; out of date.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No longer produced or used; out of date.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
- “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
Collocations
become obsoleterender obsoletetechnologically obsolete
Common phrases
planned obsolescence
Related words
Explore more vocabulary
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No longer produced or used; out of date.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Synonyms include outdated, out of date, antiquated, defunct.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.