a. rare. [ad. L. trepidānt-em, pr. pple. of trepidāre to TREPIDATE.] Trepidating, trembling with fear or agitation.
1892. Black & White, 2 July, 2/2. In either party are many trepidant hopes and fears.
1907. F. Thompson, Sel. Poems, 50. Its keys are at the cincture hung of God, Its gates are trepidant to His nod.
Hence Trepidancy, the quality of trepidating.
1845. Poe, Tales, Fall of Ho. Usher. Futile struggles to overcome an habitual trepidancy.