lowbrow vs uncultivated

lowbrow is a noun but uncultivated is not a noun.

Word	Noun	Adjective	Verb	Adverb
lowbrow	Yes	Yes	No	No
uncultivated	No	Yes	No	No

As adjectives, lowbrow and uncultivated are synonyms defined as:

lowbrow and uncultivated: characteristic of a person who is not cultivated or does not have intellectual tastes

Other synonyms of lowbrow include lowbrowed.

lowbrow (noun)	uncultivated (noun)
a person who is uninterested in intellectual pursuits

lowbrow (adjective)	uncultivated (adjective)
characteristic of a person who is not cultivated or does not have intellectual tastes	(of land or fields) not prepared for raising crops
	characteristic of a person who is not cultivated or does not have intellectual tastes
	(of persons) lacking art or knowledge