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.
People on certain medications, older people and those who aren’t heat-acclimated are among the most at risk. Dorany Pineda, Chicago Tribune, 30 June 2026 People on certain medications, older people and those who aren't heat-acclimated are among the most at risk. ABC News, 29 June 2026 Some analysts are also speculating that the Nike Investors Day slated for this fall will likely be postponed until next year to give Denton a chance to get acclimated to his new firm and learn more about operations. Vicki M. Young, Footwear News, 26 June 2026 Hurtt watched Bernard acclimate to the locker room, opening up from the shy kid who arrived for meetings in May into a more comfortable presence by the end of the offseason program. Zach Berman, New York Times, 24 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 3 Jul. 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