Daily Synonyms & Antonyms

obsolete

ˈɒbsəliːt/

adjective

adjective: obsolete

1. 1.

   no longer produced or used; out of date.

   "the disposal of old and obsolete machinery"

   synonyms:

   out of date, outdated, outmoded, old-fashioned; More no longer in use, disused, fallen into disuse, superannuated, outworn, antiquated, antediluvian, anachronistic, discarded, discontinued, old, dated, antique, archaic, ancient, fossilized, extinct, defunct, dead, bygone, out of fashion, out, behind the times; démodé, passé, vieux jeu; informalold hat, out of the ark, geriatric, prehistoric; informalpast its sell-by date "this remarkable aircraft will render all other fighters obsolete"

   antonyms:

   contemporary, current, modern, new, up to date

2. 2.

   Biology

   (of a part or characteristic of an organism) less developed than formerly or in a related species; rudimentary; vestigial.

verb

US

verb: obsolete; 3rd person present: obsoletes; past tense: obsoleted; past participle: obsoleted; gerund or present participle: obsoleting

1. 1.

   cause (a product or idea) to become obsolete by replacing it with something new.

   "we're trying to stimulate the business by obsoleting last year's designs"

Origin

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