Definition of obsolete in English:


Syllabification: ob·so·lete
Pronunciation: /ˌäbsəˈlēt


1No longer produced or used; out of date: the disposal of old and obsolete machinery the phrase was obsolete after 1625
More example sentences
  • Apparently the delay is due to some of the components being ancient and obsolete (dating back as far as 1999).
  • One minute, happy and in love, the next he felt like a wet newspaper, out of date, obsolete, discarded in the rain.
  • Indeed, it's fairly normal to find that many lines in opening books are dated and obsolete even before the book hits the stores!
outdated, out of date, outmoded, old-fashioned, démodé, passé, out of fashion; no longer in use, disused, fallen into disuse, behind the times, superannuated, outworn, antiquated, antediluvian, anachronistic, discontinued, old, dated, archaic, ancient, fossilized, extinct, defunct, dead, bygone, out
informal prehistoric
2 Biology (Of a part or characteristic of an organism) less developed than formerly or in a related species; rudimentary; vestigial.
More example sentences
  • In the other three families the maxillary palps are vestigial or obsolete.
  • In most other insects the occiput is either obsolete or soldered to the hind part of the epicranium.


[with object] chiefly US Back to top  
Cause (a product or idea) to be or become obsolete by replacing it with something new: we’re trying to stimulate the business by obsoleting last year’s designs
More example sentences
  • So Dalton declared: ‘the focus is to show not only the progression of the technology but also that customers who have invested in it aren't obsoleting their product.’
  • It's difficult not to be really impressed with a product that is so improved over its predecessors it obsoletes them.
  • So what is this magic surveillance technology that confused him and obsoleted the court?


late 16th century: from Latin obsoletus 'grown old, worn out', past participle of obsolescere 'fall into disuse'.



More example sentences
  • People submitted over one hundred suggestions - many are obsoletely hilarious.


More example sentences
  • By the time I first came to live in England in the 1960s, and for years thereafter, the obsoleteness of the Royal Academy as a benign factor in the life of contemporary art was simply assumed as a fact.
  • The context for such a volume is the possibility that musicology might be saved from obsoleteness by such boundary-crossings.
  • It was like many towns in that part of the country in its poverty and obsoleteness.


Pronunciation: /-ˈlēˌtizəm/
More example sentences
  • Like all hardware technology, obsoletism is right around the corner.
  • Seeing no real hope in any previous upgrades I clung to the software until its recent demise into obsoletism.
  • Many of their prize web sites are quietly moving along to obsoletism or moving towards being banned altogether by the search engines.

Definition of obsolete in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
not showing a serious or respectful attitude