STAGGERED

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).

Astonished, taken aback.

Arranged in a way that is not uniform.

"The U.S. Senate holds staggered elections, with only one third of the seats being filled every two years."