I / imperterrĭtus
adjective

imperterrĭtus

fem. imperterrĭta · neut. imperterrĭtum
(), , 2. in-perterritus; cf. Quint. 1, 5, 65
undaunted; unterrified poetic
undaunted, unterrified (poet. and late Lat.), Verg. A. 10, 770; Sil. 14, 187; Ambros. in Psa. 37, § 50; Greg. M. in Job, 6, 38.