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Definition of acclimatize

acclimatize

/əˈklaɪ.mə.taɪz/
(UK: acclimatise)
ac · cli · ma · tize

Adjective:acclimatized
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Past Simple:acclimatized
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Past Participle:acclimatized
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Present Participle:acclimatizing
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acclimatize Lexical Profile

acclimatize Game Scores & Validity

• verb

1

To adapt or become accustomed to a new climate, altitude, or physical environment, or to cause an organism to do so.

Example

"Mountaineers spend several days at base camp to acclimatize to the thin air before attempting the summit."


2

To become familiar with and comfortable in a new situation, culture, or set of conditions.

Example

"The orientation program helped the international students acclimatize to university life."

Synonyms
View all synonyms for acclimatize

Word Nuance & Usage

While "acclimatize" and "acclimate" are interchangeable in general usage, "acclimatize" is strongly preferred in British English and in technical biological or physiological contexts, whereas "acclimate" is more common in everyday American English.

• Rhymes for acclimatize

Word Origin & Etymology

Coined in the mid-19th century from the French verb "acclimater" (from "à", meaning "to", and "climat", meaning "climate"), combined with the English verbal suffix "-ize".

Cite this Entry


Wordmom. (2026). Definition of Acclimatize. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/acclimatize
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