Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “adulterate”


verb [T usually passive]     /əˈdʌl.tə.reɪt/
to make food or drink weaker or to lower its quality, by adding something else: There were complaints that the beer had been adulterated with water.Damaging and spoilingDestroying and demolishingBecoming and making less strong adulterated     /əˈdʌl.tə.reɪ.tɪd/ US  /-t̬ɪd/ adjective adulterated drugs/foodBecoming and making less strongDamaging and spoilingDestroying and demolishing adulteration     /əˌdʌl.təˈreɪ.ʃən/ noun [U] Damaging and spoilingDestroying and demolishingBecoming and making less strong
(Definition of adulterate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of adulterate

Definitions of “adulterate” in other dictionaries

Translations of “adulterate”

Word of the Day


to direct the way that a ship, aircraft, etc. will travel, or to find a direction across, along, or over an area of water or land, often by using a map

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More