Examples of “why” in a Sentence

adv For what reason or purpose; used to ask a question.

• Why did you leave so early?
• I don't know why she said that.
• Why do the leaves turn orange and red every autumn?

noun The reason behind something.

• We may never learn the why of his decision.
• Understanding the why helps you accept the outcome.
• Children often want to know the why behind every rule they are given.

intj Used to express mild surprise or to introduce a remark.

• Why, I never expected to see you here!
• Why, that's the strangest thing I've heard all week.
• Why, it's you! I didn't recognize you with short hair.