adj.

1. No longer in use: an obsolete word.
2. Outmoded in design, style, or construction: an obsolete locomotive.
3. Biology. Vestigial or imperfectly developed, especially in comparison with other individuals or related species; not clearly marked or seen; indistinct. Used of an organ or other part of an animal or plant.

tr.v., -let·ed, -let·ing, -letes.

To cause to become obsolete.

[Latin obsolētus, past participle of obsolēscere, to fall into disuse. See obsolescent.]

obsoletely ob'so·lete'ly adv.
obsoleteness ob'so·lete'ness n.
obsoletism ob'so·let'ism n.

adjective

No longer in use: superseded. Idioms: in mothballs, on the shelf. See new/old, used/unused.

verb

To make or become obsolete: obsolesce, outdate, superannuate. See new/old, used/unused.

noun

Something that is obsolete: obsoletism. See new/old, used/unused.

adj

Definition: no longer in use, in vogue
Antonyms: contemporary, current, in vogue, modern, new, present, up-to-date

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A cynical view of the world by Ambrose Bierce

adj.

No longer used by the timid. Said chiefly of words. A word which some lexicographer has marked obsolete is ever thereafter an object of dread and loathing to the fool writer, but if it is a good word and has no exact modern equivalent equally good, it is good enough for the good writer. Indeed, a writer's attitude toward "obsolete" words is as true a measure of his literary ability as anything except the character of his work. A dictionary of obsolete and obsolescent words would not only be singularly rich in strong and sweet parts of speech; it would add large possessions to the vocabulary of every competent writer who might not happen to be a competent reader.

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IN BRIEF: No longer used.

Always remember, that someone, somewhere, is making a product that will make your product obsolete. — Georges Doriot (1899-1987), French management educator, venture capitalist, founder of American R and D.

Dansk (Danish)
adj. - forældet
v. tr. - få til at blive forældet ved at erstatte med nyt

Nederlands (Dutch)
verouderd, in onbruik

Français (French)
adj. - dépassé, obsolète
v. tr. - rendre démodé/obsolète, user

Deutsch (German)
adj. - veraltet, obsolet, überflüssig
v. - überflüssig machen

Ελληνική (Greek)
adj. - απαρχαιωμένος, σε αχρηστία, ξεπερασμένος

Italiano (Italian)
antiquato, sorpassato, obsoleto, desueto, scaduto

Português (Portuguese)
adj. - obsoleto, antiquado

Русский (Russian)
устаревший

Español (Spanish)
adj. - obsoleto, anticuado, caído en desuso, pasado de moda
v. tr. - tornarse obsoleto

Svenska (Swedish)
adj. - föråldrad, ålderdomlig, omodern, (biol)rudimentär

中文（简体） (Chinese (Simplified))
荒废的, 陈旧的, 成废物的, 废弃, 淘汰

中文（繁體） (Chinese (Traditional))
adj. - 荒廢的, 陳舊的, 成廢物的
v. tr. - 廢棄, 淘汰

한국어 (Korean)
adj. - 안 쓰는, 진부한, 퇴화한
v. tr. - 진부하게 되다, 안 쓰게 되다

日本語 (Japanese)
adj. - すたれた, 時代遅れの, 退化した
v. - すたれさせる
n. - 古臭い人, 廃語, 廃物

العربيه (Arabic)
‏(صفه) بطل استعماله‏

עברית (Hebrew)
adj. - ‮מיושן, לא עוד בשימוש, עובר-בטל, מפותח פחות מבעבר (ביולוגיה)‬
v. tr. - ‮להפוך למיושן ע"י החלפה בחדש‬

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