why

/wˈa‍ɪ/

/ˈhwaɪ/, /ˈwaɪ/

why

used for asking the purpose of or reason for something

used to provide the reason for or the purpose of something

Why

the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores'

synonyms : wherefore

Examples

1. Why has the engine stopped?

2. Why not ask her for directions to the nearest post office?

3. Why do you have detention?

4. Why did she kill her husband?