aah

1. Indication of amazement or surprise or enthusiasm.

   Aah! That's amazing!

   1 more example

   'Aaah!' they sigh, as the silvery Space Shuttle races heavenwards on top of a towering pillar of flame.

   1985, Joan Morrison, chapter 5, in Share House Blues, Boolarong Publications, page 62

2. Indication of joyful pleasure.

   Yet I remember—aah! how should I forget?

   1834, Edgar Allan Poe, The Assignation

3. Indication of sympathy.

   Aah, I feel so bad for you...

4. Indication of mouth being opened wide.

   Dentists would always instruct, say aah!

5. To express understanding.

   Aah. Now I understand.

6. The sound of one screaming (with as many a's or h's as needed for emphasis).

   Aah! A rat!

   1 more example

   AAAHHH! A bug! A bug! Get it off me! Get it off me!

plural aahs

1. Expression of amazement, surprise, enthusiasm, or fear.
2. Expression of joy and/or pleasure.
3. The exclamation aah.

present singular third person aahs · participle present aahing · participle past aahed · past aahed

1. To say or exclaim aah.
   1. informalintransitiveTo express amazement or surprise or enthusiasm, especially by the interjection aah.

      Everyone who came by oohed and aahed over her new appearance.

      1 more example

      In the next few minutes, Molly tossed dress after dress aside, oohing and aahing at the varied fabrics, the elaborate detailing of each one, until she found a dress that was— / Breathtaking.

      2010, Kieran Kramer, chapter 7, in When Harry Met Molly, St. Martin’s Paperbacks, →ISBN, page 66

   2. informalintransitiveTo express joy or pleasure, especially by the interjection aah.

1. abbreviationinitialismInitialism of aquatic ape hypothesis.