staggering

ällistyttävä (present participle of)
incredible Incredible, overwhelming, amazing.

The army suffered a staggering defeat.

There are to whom the gods, in their bounty, give glory: but far oftener it is given in wrath, as a curse and a poison; disturbing the whole inner health and industry of the man; leading onward through dizzy staggerings and tarantula jiggings (..)

But these doubts, and fears, and staggerings, although they may be in the believer, yet they are not in his faith; these things argue the infirmity of his faith, indeed; but under all this, faith is fighting for the victory(..)