make strong or stronger; This exercise will strengthen your upper body; strengthen the relations between the two countries

[ Syn: strengthen , beef up ]

enclose by or as if by a fortification

[ Syn: fort ]

prepare oneself for a military confrontation; The U.S. is girding for a conflict in the Middle East; troops are building up on the Iraqi border

[ Syn: arm , build up , gird ]

add nutrients to; fortified milk'

add alcohol to (beverages); the punch is spiked!

[ Syn: spike , lace ]