aah exclamation 6noun 3verb 3forms 3 exclamation6 •showing that something surprises you or makes you feel excitedAah! That's amazing! •The sound of one screaming (with as many a's or h's as needed for emphasis).AAAHHH! A bug! A bug! Get it off me! Get it off me!Aah! A rat! •Indication of mouth being opened wide.Dentists would always instruct, say aah! •To express understanding.Aah. Now I understand. •Indication of joyful pleasure.Yet I remember—aah! how should I forget? — 1834 •Indication of sympathy.Aah, I feel so bad for you... noun3 •Expression of amazement, surprise, enthusiasm, or fear. •Expression of joy and/or pleasure. •The exclamation aah. verb3 •(informal) To say or exclaim aah. •(informal) To express amazement or surprise or enthusiasm, especially by the interjection aah.Everyone who came by oohed and aahed over her new appearance. •(informal) To express joy or pleasure, especially by the interjection aah. formsaahed · aahing · aahs