There are numerous synonyms for the word "unintellectual" that can be used to describe someone or something that lacks intellectual depth or curiosity. Some possible alternatives include "anti-intellectual," "unenlightened," "anti-intellectualist," "non-intellectual," "unacademic," "uneducated," "ignorant," "uninformed," "unlearned," "illiterate," and "unrefined." Each of these options carries a slightly different connotation, but all suggest a general lack of intellectualism and academic ability. Whether used to describe a person or an idea, these synonyms can help to convey an impression of intellectual poverty and a lack of curiosity and engagement with the world.