n the condition of permitting leaks or leakage
the leakiness of the roof the heart valve's leakiness the leakiness of the boat made it dangerous to use
n advancing as if in the child's game, by leaping over obstacles or competitors
the company still believes the chip is a leapfrog in integration and will pay huge dividends
n a game in which one child bends down and another leaps over
v jump across
He leapfrogged his classmates
v progress by large jumps instead of small increments