несовершеннолетний
acerbus [a, um]
рациональный
rationalis [e];
твердеть
durescere [o, rui];
destinatio [onis, f];
obstinatio [onis, f];
animus [i, m] obstinatus;
contumacia [ae, f];
pertinacia [ae, f];
confirmitas [atis, f];
cervicositas [atis, f];
perseverantia [ae, f];