English · Question Words
why
/waɪ/
[/waɪ/]
for what reason
Beginneradverb
Definition
A word used to ask the reason or purpose for something.
Example
Why did the train leave so early when the timetable clearly said nine o'clock?
Why did the train leave so early when the timetable clearly said nine o'clock?
Etymology
From Old English 'hwi', an instrumental case of 'hwaet' (what).
How & Where It’s Used
A basic question word asking for reasons.