acclimate

verb

ac·​cli·​mate ˈa-klə-ˌmāt How to pronounce acclimate (audio)
ə-ˈklī-mət
-ˌmāt How to pronounce acclimate (audio)
acclimated; acclimating
Synonyms of acclimate

transitive verb

: to adapt (someone) to a new temperature, altitude, climate, environment, or situation
They had to acclimate themselves to an urban lifestyle.
slowly becoming acclimated to a new environment

intransitive verb

: to adjust or adapt to a new temperature, climate, environment, or situation : to become acclimated
climbers gradually acclimating to the high altitude

Examples of acclimate in a Sentence

I acclimated myself to the hot weather. You might need to acclimate your plants to bright sunlight gradually. We took a few days to get acclimated to our new teacher.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But Iran had asked for more time to acclimate to host cities and recover after matches. ABC News, 23 June 2026 Both analysts agreed that, once acclimated, this reinvention of the steering wheel was an evolutionary improvement, notwithstanding the goofy name. Robert Duffer, AJC.com, 19 June 2026 Not fully acclimated back to walking yet. Blair Kerkhoff, Kansas City Star, 14 June 2026 The group shares a tight bond — Suarez, Fuentes and Iglesias are Spanish-speakers, with Lee, who grew up in a small Central Valley farm community where the population is 87 percent Hispanic, acclimating easily. Jesús Cano, New York Times, 12 June 2026 See All Example Sentences for acclimate

Word History

Etymology

borrowed from French acclimater, from a-, prefix forming transitive verbs (going back to Latin ad- ad-) + climat "climate" (going back to Old French) — more at climate

First Known Use

1792, in the meaning defined at transitive sense

Time Traveler
The first known use of acclimate was in 1792

Browse Nearby Words

Cite this Entry

“Acclimate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acclimate. Accessed 25 Jun. 2026.

Kids Definition

acclimate

verb
ac·​cli·​mate ˈak-lə-ˌmāt How to pronounce acclimate (audio) ə-ˈklī-mət How to pronounce acclimate (audio)
-ˌmāt
acclimated; acclimating
: to adapt to a new climate, environment, or situation
acclimation
ˌak-lə-ˈmā-shən
ˌak-ˌlī-
noun

Medical Definition

acclimate

verb
acclimated; acclimating
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster