no-brow
/ˈnəʊbraʊ/Chiefly humorous
adjective
Having, or regarded as having, little or no intellectual or cultural value; demanding or involving very little intellectual application.
noun
A person having, or regarded as having, few or no cultural interests or little intellect.
Origin
1920s; earliest use found in The New York Times Magazine. From no + brow, after lowbrow.