snot-nosed vs stuck-up

snot-nosed and stuck-up both are adjectives.

Word	Noun	Adjective	Verb	Adverb
snot-nosed	No	Yes	No	No
stuck-up	No	Yes	No	No

As adjectives, snot-nosed and stuck-up are synonyms defined as:

snot-nosed and stuck-up: (used colloquially) overly conceited or arrogant

Other synonyms of snot-nosed include bigheaded, persnickety, snooty, snotty, too big for one's breeches, uppish.

snot-nosed (adjective)	stuck-up (adjective)
dirty with nasal discharge	(used colloquially) overly conceited or arrogant
(used colloquially) overly conceited or arrogant