According to the word entry, which syllable is stressed in the word impeccable? im•pec•ca•ble (im-ˈpek-ə-bəl) adj. 1: Having no flaws; perfect. 2: Incapable of wrongdoing. [Latin impeccabilis: in-, not; see in-1 + peccare, to sin.] A. third B. second C. fourth D. first