obsolete

[ob-suh-leet, ob-suh-leet]

adjective

1. no longer in general use; fallen into disuse.

   an obsolete expression.

   Antonyms: modern, new

2. of a discarded or outmoded type; out of date.

   an obsolete battleship.

   Synonyms: old, ancient, antiquated
   Antonyms: modern, new

3. (of a linguistic form) no longer in use, especially, out of use for at least the past century.

4. effaced by wearing down or away.

5. Biology.,  imperfectly developed or rudimentary in comparison with the corresponding character in other individuals, as of a different sex or of a related species.

verb (used with object)

obsoleted, obsoleting 

1. to make obsolete by replacing with something newer or better; antiquate.

   Automation has obsoleted many factory workers.

obsolete

/ ˌɒbsəˈliːt, ˈɒbsəˌliːt /

adjective

1. out of use or practice; not current

2. out of date; unfashionable or outmoded

3. biology (of parts, organs, etc) vestigial; rudimentary

Usage

Terms and definitions labeled Obsolete in this dictionary have not been in widespread use since the mid 1700s. Unlike some relatively familiar archaic words and phrases, like prithee and thou art, obsolete words and phrases are not easily understood by a modern reader, and obsolete senses of current terms, as found in definitions 13, 14, and 15 of nice, are even more difficult for a contemporary reader to recognize.

The word obsoleteness is hardly ever used, obsolescence standing as the noun form for both obsolete and obsolescent

Other Word Forms

• obsoletely adverb
• obsoleteness noun
• nonobsolete adjective
• subobsolete adjective
• subobsoletely adverb
• subobsoleteness noun
• unobsolete adjective

Word History and Origins

Origin of obsolete¹

First recorded in 1570–80; from Latin obsolētus, past participle of obsolēscere “to fall into disuse,” perhaps equivalent to ob- ob- + sol(ēre) “to be accustomed to” + -ēscere -esce

Word History and Origins

Origin of obsolete¹

C16: from Latin obsolētus worn out, past participle of obsolēre (unattested), from ob- opposite to + solēre to be used

Example Sentences

What looked dominant five years ago is now obsolete.

Read more on Barron's

But she might need a fallback for her fallback: That once-hot job has been rendered obsolete as AI has become better at understanding poorly written prompts.

Read more on The Wall Street Journal

Trinity, one of the world’s largest religious television networks, sold its Costa Mesa complex in 2017 after describing it as obsolete.

Read more on Los Angeles Times

Most people also get that tech inevitably makes some jobs obsolete.

Read more on The Wall Street Journal

There’s also the risk that the chips tech firms are borrowing to buy could be obsolete in a few years.

Read more on The Wall Street Journal

Related Words

• antiquated 
• archaic 
• out-of-date 
• outmoded