not accustomed or habituated: to be unaccustomed to hardships.
unusual; unfamiliar: A brief after-dinner speech is an unaccustomed pleasure.

Origin of unaccustomed

First recorded in 1520–30; un-1 + accustomed
Related formsun·ac·cus·tomed·ness, noun

Synonyms for unaccustomed

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unaccustomed

Contemporary Examples of unaccustomed

Historical Examples of unaccustomed

  • You think of your wife, grappling with a kind of difficulty to which she is unaccustomed.

  • His voice was modulated to an unaccustomed mildness as he spoke.

    Within the Law

    Marvin Dana

  • He was unaccustomed to seeing her show suffering, and it embarrassed him.


    Mr. and Mrs. Haldeman-Julius

  • The unaccustomed action was significant; it bespoke a passionate loyalty.

    Tiverton Tales

    Alice Brown

  • You are right in supposing that I am not unaccustomed to—an influential position.'

    Little Dorrit

    Charles Dickens

British Dictionary definitions for unaccustomed



(foll by to) not used (to)unaccustomed to pain
not familiar; strange or unusual
Derived Formsunaccustomedness, noun
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 unaccustomed

1520s, "not customary, unfamiliar," from un- (1) "not" + past participle of accustom. Meaning "not accustomed or habituated" (to) is first attested 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper