- Used to express pleasure, realization, or agreement.
- Used to express hesitation or uncertainty.
Late 16th century: representing a natural vocalization.
- Ah, that feels so good.
- Ah, I see what you mean now.
- Ah, I've been waiting for this moment.
- Ah, I'm not sure what to say.
- Ah, I'm not sure if I can make it to the meeting.
Some random words: overbite, interdiction, fantasize