staggering
verb
Definitions
Sway unsteadily, reel, or totter.
Doubt, waver, be shocked.
Have multiple groups doing the same thing in a uniform fashion, but starting at different, evenly-spaced, times or places (attested from 1856).
noun
Definitions
The motion of one who staggers.
That which staggers something or somebody.
In animation, the repetition of a sequence of frames to show struggling effort
adjective
Definitions
Incredible, overwhelming, amazing.
Example: The army suffered a staggering defeat.