obsolete
https://gyazo.com/7b50c9f2be8eee689c2837eaf319153b
source: By trekphiler - Own work, CC BY-SA 3.0
adjective
1. no longer produced or used; out of date:
旧式の, 年代物の, 時代遅れの(outdated); すたれた; 使われなくなった
e.g. the disposal of old and obsolete machinery
e.g. the phrase was obsolete after 1625.
2. Biology (of a part or characteristic of an organism) less developed than formerly or in a related species; rudimentary; vestigial.
〘生物〙 痕跡だけの, 退化した.
verb with object chiefly US
cause (a product or idea) to be or become obsolete by replacing it with something new:
e.g. we're trying to stimulate the business by obsoleting last year's designs.
DERIVATIVES
obsoletely adverb
obsoleteness | ˌäbsəˈlētnəs | noun
obsoletism | -ˈlēˌtizəm | noun
ORIGIN
late 16th century: from Latin obsoletus ‘grown old, worn out’, past participle of obsolescere ‘fall into disuse’.