Pouncing is the sudden and quick action of attacking or seizing something or someone that is unsuspecting. Synonyms for the word pounced include swoop, jump, leap, spring, dart, seize, ambush, and attack. Swoop implies a sudden and surprising move from above, while leap and spring suggest a quick and sudden jump at prey. Dart implies a sudden and rapid movement towards something, while seize and ambush emphasize the element of surprise. Attack is a more generic synonym that can be used in a broader sense to describe any kind of aggressive action. Overall, these synonyms all convey the idea of a sudden and aggressive move towards a target.