adjective Dumbfounded is an adjective that describes someone who is greatly astonished or amazed, often to the point of being speechless.
adverb Dumbfounded can also be used as an adverb to describe how someone is astonished or amazed, such as 'She looked at him dumbfounded.'
The protagonist was dumbfounded by the unexpected plot twist.
The patient was dumbfounded when confronted with their repressed memories during therapy.
The audience was left dumbfounded by the shocking ending of the movie.
The debater's argument left the opposition dumbfounded and unable to respond.
In a novel, the protagonist was dumbfounded by the sudden turn of events.
The psychologist was dumbfounded by the patient's unexpected breakthrough in therapy.
The teacher was dumbfounded by the student's insightful answer to a difficult question.
The engineer was dumbfounded by the complexity of the problem they were tasked with solving.
The doctor was dumbfounded by the patient's miraculous recovery.