[ uh-kuhs-tuhmd ]
/ əˈkʌs təmd /


customary; usual; habitual: in their accustomed manner.
habituated; acclimated (usually followed by to): accustomed to staying up late; accustomed to the noise of the subway.

Nearby words

  1. accuse,
  2. accused,
  3. accuser,
  4. accusing,
  5. accustom,
  6. accustomed to,
  7. accutane,
  8. accutron,
  9. acda,
  10. ace

Origin of accustomed

late Middle English word dating back to 1400–50; see origin at accustom, -ed2

ANTONYMS FOR accustomed
1. unusual. 2. unused (to).

Related formsac·cus·tomed·ly, adverbac·cus·tomed·ness, nounhalf-ac·cus·tomed, adjectivewell-ac·cus·tomed, adjective


[ uh-kuhs-tuh m ]
/ əˈkʌs təm /

verb (used with object)

to familiarize by custom or use; habituate: to accustom oneself to cold weather.

Origin of accustom

First recorded in 1425–75; late Middle English word from Middle French word acoustumer. See ac-, custom

Related formspre·ac·cus·tom, verb (used with object)re·ac·cus·tom, verb (used with object)un·ac·cus·tom, verb (used with object) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for accustomed

British Dictionary definitions for accustomed


/ (əˈkʌstəmd) /


usual; customary
(postpositive foll by to) used or inured (to)
(postpositive foll by to) in the habit (of)accustomed to walking after meals


/ (əˈkʌstəm) /


(tr usually foll by to) to make (oneself) familiar (with) or used (to), as by practice, habit, or experience

Word Origin for accustom

C15: from Old French acostumer, from costume custom

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for accustomed
Online Etymology Dictionary, © 2010 Douglas Harper