lowbrowed vs lowbrow

lowbrowed is not a noun while lowbrow is a noun.

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

As adjectives, lowbrowed and lowbrow are synonyms defined as:

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

Other synonyms of lowbrowed include uncultivated.

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

lowbrowed (adjective)	lowbrow (adjective)
characteristic of a person who is not cultivated or does not have intellectual tastes	characteristic of a person who is not cultivated or does not have intellectual tastes