1. make strong or stronger; - Example: "This exercise will strengthen your upper body" - Example: "strengthen the relations between the two countries" [syn: strengthen, beef up, fortify]
WordNet (r) 3.0 (2006):
beef up
v 1: make strong or stronger; "This exercise will strengthen
your upper body"; "strengthen the relations between the two
countries" [syn: strengthen, beef up, fortify] [ant:
weaken]