rarefy

verb

rar·​e·​fy ˈrer-ə-ˌfī How to pronounce rarefy (audio)
variants or less commonly rarify
rarefied; rarefying

transitive verb

1
: to make rare, thin, porous, or less dense : to expand without the addition of matter
2
: to make more spiritual, refined, or abstruse

intransitive verb

: to become less dense

Examples of rarefy in a Sentence

Recent Examples on the Web As rarefied as his work was, as an individual and as a spirit there was something to celebrate — and yet there were foibles and missteps along the way too, so there was real good drama there. Tim Greiving, latimes.com, 3 June 2019 But in 2003, when Clear was founded, biometric technology was rarefied, known to the public mostly through science fiction films. Claire Martin, New York Times, 8 Sep. 2017 Touching on issues of artistic survival and the porous boundary between work and pleasure, Ms. Subrin, an accomplished visual artist and filmmaker, sifts addiction, celebrity and the plight of the aging actress into something rarefied yet real. Jeannette Catsoulis, New York Times, 21 Mar. 2017 And so while his techniques and ingredients are rarefied, Mr. Lenn’s food is decidedly less luxe in Knoxville, designed to appeal to a broader audience. Jane Black, New York Times, 20 June 2017 But Mr. Affleck loves the Carlyle’s rarefied throwback allure. Cara Buckley, New York Times, 4 Nov. 2016 And now, thanks to our constantly rarefying visual culture, the young actormen have become precious too — choosing carefully fitted suits or statement bespokery, not a stray hair on their head or face. Mike Albo, Esquire, 4 Apr. 2012

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rarefy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English rarefien, rarifien, modification of Latin rarefacere, from rarus rare + facere to make — more at do

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of rarefy was in the 14th century

Dictionary Entries Near rarefy

Cite this Entry

“Rarefy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rarefy. Accessed 18 Mar. 2024.

Kids Definition

rarefy

verb
rar·​efy
variants also rarify
ˈrar-ə-ˌfī,
ˈrer-
rarefied; rarefying
: to make or become rare, thin, or less dense

Medical Definition

rarefy

verb
rar·​e·​fy
variants also rarify
rarefied also rarified; rarefying also rarifying

transitive verb

: to make rare, thin, porous, or less dense : to expand without the addition of matter

intransitive verb

: to become less dense

More from Merriam-Webster on rarefy

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