Meaning of the word why in English

What does why mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

why

US /waɪ/
UK /waɪ/
"why" picture

Adverb

for what reason or purpose

Example:
Why did you do that?
I don't understand why he left.

Noun

the reason or explanation for something

Example:
That's why I'm here.
The police are investigating the why and how of the incident.

Interjection

used to express mild surprise, indignation, or protest

Example:
Why, that's a brilliant idea!
Why, I never thought of that!
Related Word: