dumbfounder
English edit
Etymology 1 edit
Verb edit
dumbfounder (third-person singular simple present dumbfounders, present participle dumbfoundering, simple past and past participle dumbfoundered)
- (transitive) To dumbfound.
Etymology 2 edit
Noun edit
dumbfounder (plural dumbfounders)
- Someone who or that which dumbfounds.