vt 1 (dishonour) aibisha, punguza sifa, tahayarisha, tia fedheha. 2 (disomebodyelieve) -toamini, -tosadiki, -tothamini. 3 tia shaka, onyesha uongo n 1 aibu. 2 shaka, kutoamini. discreditable adj. ~ ably adv.