Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “lemon”

lemon

noun (STUPID PERSON/THING)    /ˈlem.ən/
[C] UK informal a very silly person : I felt such a lemon when I discovered I'd missed my appointment .Stupid and silly people [C] mainly US informal something that does not work : Only one of his inventions turned out to be a lemon.FailuresAccidents and disastersHigher and lower points of achievement
(Definition of lemon noun (STUPID PERSON/THING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of lemon

Definitions of “lemon” in other dictionaries

Word of the Day

familiarity

a good knowledge of something, or the fact that you know it so well

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