stupefied vs dumbfounded

stupefied and dumbfounded both are adjectives.

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

As adjectives, stupefied and dumbfounded are synonyms defined as:

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

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

stupefied (adjective)	dumbfounded (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