Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “you must be joking”

See all translations

you must be joking

( also you've got to be joking)
B1 said in answer to something that someone has said, meaning that you do not believe they need said it seriously, or you think it is a stupid thing to say: You've got to be joking if you think I'm going to stand in the rain watching you play tennis!
Translations of “you must be joking”
in Chinese (Traditional) (表示不相信或覺得荒謬)你一定是在開玩笑吧…
in Chinese (Simplified) (表示不相信或觉得荒谬)你一定是在开玩笑吧…
(Definition of you must be joking from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Word of the Day

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More