v., -gered, -ger·ing, -gers.v.intr.To move or stand unsteadily, as if under a great weight; totter.

To begin to lose confidence or strength of purpose; waver.v.tr.To cause to totter, sway, or reel: The blow staggered him.To overwhelm with emotion or astonishment

.To cause to waver or lose confidence.To arrange in alternating or overlapping time periods.To arrange (the wings of a biplane) so that the leading edge of one wing is either ahead of or behind the leading edge of the other wing.