unventilated vs stuffy

unventilated and stuffy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unventilated	No	Yes	No	No
stuffy	No	Yes	No	No

unventilated (adjective)	stuffy (adjective)
not ventilated	excessively conventional and unimaginative and hence dull
	affected with a sensation of stoppage or obstruction
	lacking fresh air