A representation of laughter.
Ha, ha, ha! That’s funny.
An exclamation of triumph or discovery.
Ha! Checkmate!
An exclamation of grief.
A sound of hesitation: er, um.
Said when making a vigorous attack.
(with falling pitch) used to express amusement or subtle surprise.
Huh! I'm sure I locked it when I left.
Used to express doubt or confusion.
Huh? Where did they go?
(with rising pitch) Used to reinforce a question.
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.
(agreement) A: "Murder is bad." B: "Huh!"
(with rising pitch) Used to indicate that one did not hear what was said.
Huh? Could you speak up?
(with falling pitch) Used to create a tag question.
It's getting kind of late, huh?
The fifth letter of many Semitic alphabets (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).