Unintellectual

[in-tl-ek-choo-uh l] /ˌɪn tlˈɛk tʃu əl/
adjective
1.
appealing to or engaging the intellect:
intellectual pursuits.
2.
of or relating to the intellect or its use:
intellectual powers.
3.
possessing or showing intellect or mental capacity, especially to a high degree:
an intellectual person.
4.
guided or developed by or relying on the intellect rather than upon emotions or feelings; rational.
5.
characterized by or suggesting a predominance of intellect:
an intellectual way of speaking.
noun
6.
a person of superior intellect.
7.
a person who places a high value on or pursues things of interest to the intellect or the more complex forms and fields of knowledge, as aesthetic or philosophical matters, especially on an abstract and general level.
8.
an extremely rational person; a person who relies on intellect rather than on emotions or feelings.
9.
a person professionally engaged in mental labor, as a writer or teacher.
10.
intellectuals, Archaic.

the mental faculties.
things pertaining to the intellect.

unintellectual
/ˌʌnɪntɪˈlɛktʃʊəl/
adjective
1.
not expressing or enjoying mental activity
2.
not appealing to people with a developed intellect
intellectual
/ˌɪntɪˈlɛktʃʊəl/
adjective
1.
of or relating to the intellect, as opposed to the emotions
2.
appealing to or characteristic of people with a developed intellect: intellectual literature
3.
expressing or enjoying mental activity
noun
4.
a person who enjoys mental activity and has highly developed tastes in art, literature, etc
5.
a person who uses or works with his intellect
6.
a highly intelligent person

intellectual definition

A person who engages in academic study or critical evaluation of ideas and issues. (See intelligentsia.)