Entry 2 senses · 2 variants Webster, 1913 Impenitent · Im·pen·i·tent · IPA /ɪmˈpɛnət(ə)nt/ a. n. 01 a. Not penitent; not repenting of sin; not contrite; of a hard heart. 1. Not penitent; not repenting of sin; not contrite; of a hard heart. 02 n. One who is not penitent. 1. One who is not penitent.[R.]