Méfiant.
ETYM Latin diffidens, -entis, p. pr. of diffidere; dif- = dis + fidere to trust; akin to fides faith. Related to Faith, Defy.
1. Lacking self-confidence; SYN. shy, timid, unsure.
2. Showing modest reserve.
3 Overly shy or modest. Shy; modest.
1. Having or showing distrust
2. Incredulous by virtue of distrust.