stupid vs dazed

stupid is a noun but dazed is not a noun.

Word	Noun	Adjective	Verb	Adverb
stupid	Yes	Yes	No	No
dazed	No	Yes	No	No

As adjectives, stupid and dazed are synonyms defined as:

stupid and dazed: in a state of mental numbness especially as resulting from shock

Other synonyms of stupid include stunned, stupefied.

stupid (noun)	dazed (noun)
a person who is not very bright

stupid (adjective)	dazed (adjective)
lacking or marked by lack of intellectual acuity	in a state of mental numbness especially as resulting from shock
lacking intelligence	stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
in a state of mental numbness especially as resulting from shock