Definition of “why” - English Dictionary

“why” in British English

See all translations

whyadverb

uk /waɪ/ us /waɪ/

A1 for what reason:

"I'm going home." "Why?"
Why did you choose to live in London?
Why wait? Let's leave now.
Why should I help him - he never helps me?
Why is it that I find chocolate so addictive?
The police asked me to explain why I hadn't reported the accident sooner.
I don't know why she isn't here.
Quite why he isn't here today is a mystery.
There is no reason why we shouldn't succeed.

More examples

whyexclamation

uk /waɪ/ us /waɪ/ mainly US or old-fashioned

whynoun

uk /waɪ/ us /waɪ/

(Definition of “why” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“why” in American English

See all translations

whyconjunction, adverb [ not gradable ]

us /hwɑɪ, wɑɪ/

for what reason:

Why do you like living in Paris?
She’ll ask why you don’t have your homework.

Idiom(s)

(Definition of “why” from the Cambridge Academic Content Dictionary © Cambridge University Press)