Pounce on is an idiom meaning to attack or seize suddenly and without warning. The crossword solutions for this term are ASSAIL (6 letters), NAB (3 letters), LEAPAT (6 letters), WAYLAY (6 letters), ENSNARE (7 letters), and INTERCEPT (9 letters). ASSAIL means to attack with strong criticism, NAB means to seize or take suddenly, Leapat means to jump at or grab suddenly, WAYLAY means to ambush or attack from a hidden position, ENSNARE means to trap or catch in a snare, and INTERCEPT means to stop or interrupt the progress of something.