1. As if struck dumb with astonishment and surprise
   - dumbfounded, flabbergasted, stupefied, thunderstruck, dumbstruck, dumbstricken

1. To strike dumb; to confuse with astonishment

See also: surprised

• summer savory
• summer savoury
• summer school
• summer snowflake
• summer solstice
• summer squash
• summer squash vine
• summer stock
• summer sweet
• summer tanager
• summer-blooming
• summer-flowering
• summercater
• summercaters
• summerhouse
• summerise
• summerize
• summersault
• summerset
• summertime
• summery
• summing up
• summit
• summit meeting
• summon