Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “really”


exclamation     /ˈrɪə.li/ US  /ˈriː.ə-/
A2 used to express interest , surprise , or anger : "I'm getting married to Fred." "Really? When?" "She's agreed to do a parachute jump for charity ." "Really? Do you think she'll do it?" "He hasn't brought the book back." "Oh, really! That's the second time I've asked him!"InterjectionsSounds used as interjections Grammar:ReallyWe use the adverb really when we want to emphasise something:
(Definition of really exclamation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of really

Definitions of “really” in other dictionaries

Translations of “really”

Word of the Day


the art and knowledge involved in preparing and eating good food

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