huh
Pronunciation:
/hʌ//hə/interjection
Definitions
(with falling pitch) used to express amusement or subtle surprise.
Example: Huh! I'm sure I locked it when I left.
Used to express doubt or confusion.
Example: Huh? Where did they go?
(with rising pitch) Used to reinforce a question.
Example: Where were you last night? Huh?
(with falling pitch) Used either to belittle the issuer of a statement/question, or sarcastically to indicate utter agreement, and that the statement being responded to is an extreme understatement. The intonation is changed to distinguish between the two meanings - implied dullness for belittlement, and feigned surprise for utter agreement.
Example: (agreement) A: "Murder is bad." B: "Huh!"