Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “duff”

duff

adjective uk   /dʌf/ UK informal us  
bad, not useful, or not working: He's directed so many movies that you might expect a few duff ones.Informal words for badRubbish and wasteSerious and unpleasantNot of good quality

duff

noun [C] uk   /dʌf/ US informal us  
a person's bottom: Get off your duff and start working.The buttocks

duff

verb [T] uk   /dʌf/ Australian English informal us  
to steal farm animals by changing the brand (= owner's mark) on them, or to steal goods by changing their appearanceStealing
Phrasal verbs
(Definition of duff from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of duff?
Add Cambridge dictionaries to your browser to your website

Word of the Day

nip

to press something quickly and quite hard between two objects, especially sharp objects such as teeth or nails

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