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Definition of accustom

accustom

/əˈkʌs.təm/
ac · cus · tom
Adjective:accustomed
•
Past Simple:accustomed
•
Past Participle:accustomed
•
Present Participle:accustoming
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accustom Lexical Profile

accustom Game Scores & Validity

• verb

1

To make someone or oneself familiar with or receptive to a new condition, environment, or practice through regular exposure or use.

Example

"It took several weeks for the hikers to accustom themselves to the thin mountain air."

Synonyms
View all synonyms for accustom
Antonyms
View all antonyms for accustom

Word Nuance & Usage

"Accustom" is a transitive verb typically used reflexively ("accustom oneself to") or in the passive participial form ("be accustomed to"), followed by a noun or gerund rather than an infinitive.

• Rhymes for accustom

• Nearby Words

accused
accuser
accusingly
accustom
accustomed
ace
acer

Word Origin & Etymology

Borrowed in Middle English from Old French acostumer, formed from a- (from Latin ad-, "to") and costume ("custom" or "habit", ultimately from Latin consuetudinem).

Cite this Entry

Wordmom. (2026). Definition of Accustom. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/accustom
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