Interjection

1. Word expressing doubt or confusion.

   Huh? Where did they go?

2. Word used to reinforce a question.

   Where were you last night? Huh?

3. Word used to express amusement or subtle surprise.

   Huh! I'm sure I locked it when I left.

4. (Shortening of the slang "I know, huh." and is not pronounced "haw") Word used solely as a response, in order to express either complete agreement with or to belittle the issuer of a statement or infrequently a question. The intonation is changed to distinguish between the two meanings. When used in agreement, the intonation is friendly and non-confrontational.

   Statement: We should go to an amusement park, it would be fun. Response: Huh!

   or

   Statement: "Murder is bad" Response: Huh!

5. Informally, used to indicate that one did not hear what was said.

   Huh? Could you speak up?