acclimate

UK: /əˈklaɪmeɪt/, /ˈæklɪmeɪt/

US: /ˈækləˌmeɪt/

US: (ak′lə māt′, ə klī′mit)

Inflections of 'acclimate' (v): (⇒ conjugate)

acclimates

v 3rd person singular

acclimating

v pres p

acclimated

v past

acclimated

v past p

WordReference Random House Learner's Dictionary of American English © 2025

ac•cli•mate /ˈækləˌmeɪt/   v. [~ (+ object) + to + object] , -mat•ed, -mat•ing. 

1. to accustom or become accustomed to a new climate or environment:
   The foreigners acclimated (themselves) to the tropical weather after a few months.

ac•cli•ma•tion /ˌækləˈmeɪʃən/  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

ac•cli•mate  (ak′lə māt′, ə klī′mit), v.t., v.i., -mat•ed, -mat•ing. 

1. to accustom or become accustomed to a new climate or environment; adapt.

• French acclimater. See ac-, climate
• 1785–95

ac•cli•mat•a•ble  (ə klī′mi tə bəl), adj.  ac•cli•ma•tion  (ak′lə mā′shən), n. 

WordReference Random House Learner's Dictionary of American English © 2025

ac•cli•ma•tize /əˈklaɪməˌtaɪz/   v. [~ (+ object) + to + object] , -tized, -tiz•ing. 

1. to acclimate.

ac•cli•ma•ti•za•tion /əˌklaɪmətəˈzeɪʃən/  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

ac•cli•ma•tize  (ə klī′mə tīz′), v.t., v.i., -tized, -tiz•ing. 

1. to acclimate.

Also,[esp. Brit.,] ac•cli′ma•tise′. 

• acclimate + -ize 1830–40

ac•cli′ma•tiz′a•ble, adj. 
ac•cli′ma•ti•za′tion, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

acclimatize, acclimatise / əˈklaɪməˌtaɪz/acclimate / əˈklaɪmeɪt ˈæklɪˌmeɪt/ verb

1. to adapt or become accustomed to a new climate or environment

acˈclimaˌtizable, acˈclimaˌtisable, acˈclimatable adjective

acˌclimatiˈzation, acˌclimatiˈsation, ˌaccliˈmation noun

acˈclimaˌtizer, acˈclimaˌtiser noun