impertérrito înseamnă în Engleză

dauntless▼(invulnerable to fear or intimidation)
adjective
[UK: ˈdɔːnt.lɪs] [US: ˈdɔːnt.lɪs]

unafraid▼(not afraid, fearless)
adjective
[UK: ˌʌ.nə.ˈfreɪd] [US: ˌʌ.nə.ˈfreɪd]

undaunted▼(not shaken, discouraged or disheartened)
adjective
[UK: ˌʌn.ˈdɔːn.tɪd] [US: ən.ˈdɒn.təd]

unfazed▼(undaunted)
adjective
[UK: ən.ˈfeɪzd] [US: ən.ˈfeɪzd]