The state of being dumbfounded; shock and confusion so complete that you lose the ability to respond.
Alternate or variant formation of 'dumbfounderment,' using '-ment' directly on 'dumbfound' to create an abstract noun for the condition of being dumbfounded.
English has at least three ways to nominalize this feeling—dumbfoundment, dumbfounderment, and dumbfoundedness—showing how speakers kept trying different word patterns to capture shock.
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