why
How to Use Why
Learner’s notesIn plain EnglishThe word used to ask or explain the reason for something.
Word Forms
whied past tense, whyed past tense, whys plural, why's plural, whies plural, whies plural, whys singular, whies singular
Fill the Gap
Can you complete this real example?
_____ did you leave so early?
Etymology
From Old English hwȳ, ultimately from the same ancient root as who and what.