Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “crud”

crud

noun [U]    /krʌd/ slang
any offensive substance: You couldn’t see a thing with all the crud in the air.
(Definition of crud noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of crud

Browse related topics

You are looking at an entry to do with Dirt & untidiness, but you might be interested in these topics from the Clean, dirty and cleaning topic area:

Definitions of “crud” in other dictionaries

Word of the Day

handout

a document given to students or reporters which contains information about a particular subject

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