report or maintain; "He alleged that he was the victim of a crime"; "He said it was too late to intervene in the war"; "The registrar says that I owe the school money"
a game in which one child bends down and another leaps over
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"
progress by large jumps instead of small increments