stupefied vs dumfounded

stupefied and dumfounded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
stupefied	No	Yes	No	No
dumfounded	No	Yes	No	No

As adjectives, stupefied and dumfounded are synonyms defined as:

stupefied and dumfounded: as if struck dumb with astonishment and surprise

Other synonyms of stupefied include dumbfounded, dumbstricken, dumbstruck, flabbergasted, thunderstruck.

stupefied (adjective)	dumfounded (adjective)
in a state of mental numbness especially as resulting from shock	as if struck dumb with astonishment and surprise
as if struck dumb with astonishment and surprise