intolerant — not tolerating or respecting beliefs, opinions, usages, manners, etc., different from one's own, as in political or religious matters; bigoted.
ignorant — lacking in knowledge or training; unlearned: an ignorant man.
stupid — lacking ordinary quickness and keenness of mind; dull.
unenlightened — to give intellectual or spiritual light to; instruct; impart knowledge to: We hope the results of our research will enlighten our colleagues.
uninformed — having or prepared with information or knowledge; apprised: an informed audience that asked intelligent questions.