Unintelligent (adjective)

Lacking normal intellectual or mental capacity; stupid.

Origin:

Late 16th century from un- (1) + intelligent.

Examples:

1. The unintelligent remarks made by the politician were criticized by the public.
2. It is not appropriate to label someone as unintelligent just because they have a different perspective.
3. The unintelligent design of the product was obvious to the consumers.
4. Due to lack of education, many unintelligent decisions were made by the community.
5. The unintelligent criminal was easily caught by the police.