Is slack-jawed
Else clues• Betrays amazement
• Big yawns
• Breaches
• Displays astonishment
• Drops one's chin
• Drops the jaw
• Exhibits shock
• Gawks
• Goggles
• Is wide open
• Looks aghast
• Looks astonished
• Looks awed
• Looks long
• Looks on in wonder
• Looks slack-jawed
• Ogles
• Open-mouthed stares
• Opens wide
• Parts widely
• Possible results of raptness
• Raisins, once
• Rubbernecks
• Shows amazement
• Shows astonishment
• Shows surprise
• Stares
• Stares dumbly
• Stares in astonishment
• Stares in surprise
• Stares in wonder
• Stares open-mouthed
• Stares slack-jawed
• Stares stupidly
• Stares with open mouth
• What a spectator does when Tiger eagles one