Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “happy”

See all translations

happy

adjective uk   /ˈhæp.i/ us  

happy adjective (PLEASED)

A1 feeling, showing, or causing pleasure or satisfaction: a happy marriage/childhood She looks so happy. School days are said to be the happiest days of your life. Nicky seems a lot happier since she met Steve. You'll be happy to know that Jean is coming with us. I'm perfectly happy to (= I will willingly) help out. I'm so happy (that) everything is working out for you. Barry seems happy enough working for himself. Are you happy about/with (= satisfied with) your new working arrangements? Your mother's not going to be very happy when she sees the mess you've made! formal The manager will be happy (= is willing) to see you this afternoon.
More examples

happy adjective (GREETING)

A1 [before noun] (used in greetings for special occasions) full of enjoyment and pleasure: Happy Birthday! Happy Anniversary! Happy New Year!
More examples

happy adjective (LUCKY)

[before noun] (of a condition or situation) lucky: We hadn't planned to be in France at the same time as Ann and Charles - it was just a happy coincidence.

happy adjective (SUITABLE)

literary (of words or behaviour) suitable: It wasn't a happy choice of phrase given the circumstances.
(Definition of happy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of happy?
Add Cambridge dictionaries to your browser to your website

Definitions of “happy” in other dictionaries

Word of the Day

hard luck story

a story or piece of information that someone tells you or writes about himself or herself, intended to make you feel feel sympathy for that person

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More