Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lack”

lack

noun     /læk/
lack of sth B1 the fact that something is not available or that there is not enough of it: Her only problem is a lack of confidence. Lack of sleep had made him irritable. If he fails it won't be for/through lack of effort (= he has certainly tried). We won't be going on holiday this year - lack of funds, I'm afraid.Lacking thingsScarce, inadequate and not enoughEssential or necessaryScarce, inadequate and not enoughLacking things
(Definition of lack noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of lack

Browse related topics

You are looking at an entry to do with Lacking things, but you might be interested in these topics from the Wanting topic area:

Definitions of “lack” 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