[ uh-kuhs-tuhm ]
See synonyms for: accustomaccustomedaccustoms on

verb (used with object)
  1. 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

Other words from accustom

  • pre·ac·cus·tom, verb (used with object)
  • re·ac·cus·tom, verb (used with object)
  • un·ac·cus·tom, verb (used with object)

Words Nearby accustom Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use accustom in a sentence

British Dictionary definitions for accustom


/ (əˈkʌstəm) /

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

Origin of 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