Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “weaken”

weaken

verb [I, T]     /ˈwiːkən/
LOSE POWER to become less strong or powerful, or to make someone or something less strong or powerful: A number of factors have weakened the economy.Becoming and making less strongBecoming and making smaller or lessBecoming and making less strong
LOSE CONFIDENCE to become less certain or determined about a decision, or to make someone less determined: I told him he wasn't having any more money but then I weakened.Becoming and making less strong
(Definition of weaken verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “weaken” in other dictionaries

Word of the Day

beneficiary

a person or group who receives money, advantages, etc. as a result of something else

Word of the Day

Blog

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