Related Clues:
- 23-Down relatives
- Crowd reactions to a daredevil
- Shows disbelief
- Hangs open
- Reacts to an awesome sight
- Breathes in quickly
- Is open-mouthed, needing oxygen, say, to take exercise
- Reacts in horror as it's included in navigational tool
- Sharp intakes
- Breaths you can hear
- Sounds of astonishment
- Pants son's wearing split more than once
- Horror-ible reactions?
- Sounds shocked
- Draws breath sharply