Disapprove
Part of speech: verb
Definition: To condemn; consider wrong or inappropriate. Refuse to approve; reject. To have or express an unfavorable opinion.
Reject
Part of speech: verb
Definition: to refuse to accept
Part of speech: noun
Definition: Something that is rejected.An unpopular person.
Example sentence: If you are vigilant and make a stern effort to reject every thought when it rises, you will soon find that you are going deeper and deeper into your own inner self, where there is no need for your effort to reject the thoughts.