stagger

v. 1 (cause to) walk unsteadily. 2 shock, confuse. 3 arrange (events etc.) So that they do not coincide. 4 arrange (objects) so that they are not in line. n. 1 tottering movement. 2 (in pl.) Disease, esp. Of horses and cattle, causing staggering. [old norse]

n. To move to one side and the other, as if about to fall, in standing or walking; not to stand or walk with steadiness; to sway; to reel or totter.