An unsteady movement of the body in walking or standing, as if one were about to fall; a reeling motion; vertigo; -- often in the plural; as, the stagger of a drunken man.(noun)
source: webster1913
verb (v)
walk as if unable to control one's movements(verb.motion)
Example: She was staggered with bills after she tried to rebuild her house following the earthquake.
source: wordnet30
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.(verb)