Try Our Apps


The Best Internet Slang


[uh-klahy-muh-tahyz] /əˈklaɪ məˌtaɪz/
verb (used with or without object), acclimatized, acclimatizing.
to acclimate.
Also, especially British, acclimatise.
Origin of acclimatize
First recorded in 1830-40; acclimate + -ize
Related forms
acclimatizable, adjective
acclimatization, noun
reacclimatization, noun
reacclimatize, verb, reacclimatized, reacclimatizing.
unacclimatized, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for acclimatise
Contemporary Examples
  • Harry will be given ten days to acclimatise to his surroundings, after which he will start co-piloting the helicopters.

    Party's Over, Harry! Tom Sykes September 7, 2012
Historical Examples
British Dictionary definitions for acclimatise


to adapt or become accustomed to a new climate or environment
Derived Forms
acclimatizable, acclimatisable, acclimatable, adjective
acclimatization, acclimatisation, acclimation, noun
acclimatizer, acclimatiser, 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
Cite This Source
Word Origin and History for acclimatise



1836; see acclimate + -ize; a more recent formation than acclimate and replacing it in many uses. Related: Acclimatized; acclimatizing.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for acclimatize

Few English speakers likely know this word

Word Value for acclimatise

Scrabble Words With Friends

Nearby words for acclimatise