I. ˈlēp-ˌfrȯg, -ˌfräg noun
Date: 1599
: a game in which one player bends down and is vaulted over by another player
II. verb
( leap·frogged ; leap·frog·ging )
Date: 1872
intransitive verb
: to leap or progress in or as if in leapfrog
transitive verb
1. : to go ahead of (each other) in turn ; specifically : to advance (two military units) by keeping one unit in action while moving the other unit past it to a position farther in front
2. : to evade by or as if by a bypass