Diffident
Diffident , adjective
[Latin diffidens, -entis, present participle of diffidere; dif- = dis + fidere to trust; akin to fides faith. See Faith, and compare Defy.]
1.
Wanting confidence in others; distrustful. [Archaic]
You were always extremely diffident of their success.
2.
Wanting confidence in one's self; distrustful of one's own powers; not self-reliant; timid; modest; bashful; characterized by modest reserve.
The diffident maidens,
Folding their hands in prayer.