1. With eyes or mouth open in surprise
   - goggle-eyed, popeyed

See also: surprised

• actioner
• Actitis
• Actitis hypoleucos
• Actitis macularia
• Actium
• Activase
• activate
• activated
• activated carbon
• activated charcoal
• activating
• activating agent
• activation
• 39th
• 3d radar
• 3rd
• 3rd October Organization
• 3TC
• 4
• 4-dimensional
• 4-hitter
• 4-membered
• 40
• 400
• 400th