Afraid adjective – Filled with fear or dread. Dumbfounded and afraid are semantically related. In some cases you can use "Dumbfounded" instead an adjective "Afraid".
Dumbfounded adjective – Affected with sudden and great wonder or surprise. Afraid and dumbfounded are semantically related. Sometimes you can use "Afraid" instead an adjective "Dumbfounded". Nearby Word: dumbfounding