ac·​cus·​tom | \ə-ˈkəs-təm \
accustomed; accustoming; accustoms

Definition of accustom 

transitive verb

: to make familiar with something through use or experience

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Other Words from accustom

accustomation \-​ˌkəs-​tə-​ˈmā-​shən \ noun

Examples of accustom in a Sentence

the task of accustoming new recruits to shipboard life

Recent Examples on the Web

But the dynamic of radio was totally different from the teahouses where he was accustomed to performing. Amy Qin, The Seattle Times, "Shan Tianfang, a superstar of Chinese storytelling, dies at 83," 17 Sep. 2018 Regular vacationers may not realize surf conditions to which they are accustomed have changed, Dusek said. Scott Dance, Washington Post, "A wider, deeper beach awaits Ocean City vacationers, but is it safe?," 1 June 2018 But jumping out of a plane carrying a five-foot-tall missile is no easy task, and the paratroopers aren't accustomed to jumping with such sizable weaponry. Andrew Moseman, Popular Mechanics, "U.S. Paratroopers Are Training to Jump With Surface-To-Air Missiles," 14 Aug. 2018 After a slower start to the season as the 17 new players got accustomed the club, there's been a vivid shift from learning the playing ideology to performing the ideology. Charlie Hatch,, "FC Cincinnati at 2018 USL midway point: 'We haven't won anything yet'," 2 July 2018 The volcano is one of Central America’s most active, and everyone was accustomed to rumbling and spewing smoke, so at first nothing seemed abnormal Sunday, the 33-year-old farm worker said. Washington Post, "At Guatemala volcano, time running out for rescue chances," 6 June 2018 Every June, July, and August, the hot sun exposes a hard truth: Summer is the hungriest time of year, as parents have to scramble to feed children accustomed to receiving free breakfasts and lunches at school. Alfred Lubrano,, "Fighting summer hunger block by block, lunch by lunch," 20 June 2018 The jeweled hands that were once accustomed to constant stitching are now bare, and the scars are hidden under every wrinkle. Ron Lieber, New York Times, "5 High Schoolers and Their College Application Essays About Work, Money and Social Class," 11 May 2018 They were accustomed to parts of the cave; some had visited several times before. Phred Dvorak, WSJ, "Rescuers Rush to Stay Ahead of Rain in Push to Get Thai Soccer Team Out of Cave," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accustom.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of accustom

15th century, in the meaning defined above

History and Etymology for accustom

Middle English acustomen "to habituate (reflexive or intransitive)," borrowed from Anglo-French acustumer, acostumer, from a-, prefix forming transitive verbs (going back to Latin ad- ad-) + -customer, costomer, verbal derivative of custume custom entry 1

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Statistics for accustom

Last Updated

13 Dec 2018

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Time Traveler for accustom

The first known use of accustom was in the 15th century

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More Definitions for accustom



English Language Learners Definition of accustom

: to cause (someone) to become adjusted to or familiar with something


ac·​cus·​tom | \ə-ˈkə-stəm \
accustomed; accustoming

Kids Definition of accustom

: to cause (someone) to get used to something I accustomed my dog to a leash.

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More from Merriam-Webster on accustom

Thesaurus: All synonyms and antonyms for accustom

Spanish Central: Translation of accustom

Nglish: Translation of accustom for Spanish Speakers

Britannica English: Translation of accustom for Arabic Speakers

Comments on accustom

What made you want to look up accustom? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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