Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “lemon”


noun [C, U]     /ˈlemən/
A2 an oval , yellow fruit that has sour juice : a slice of lemon lemon juice Types of fruit
(Definition of lemon noun from the Cambridge Learner's Dictionary © Cambridge University Press)

More Learner's Dictionary definitions for “lemon”

Definitions of “lemon” in other dictionaries

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


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