ケラケラけらけらMeanings1adverb, adverb taking the 'to' particlecackling; shrill laughteronomatopoeic or mimetic wordOnomatopoeic word for high-pitched, shrill laughter, often used with 笑う or と.彼かの女じょはケラケラと笑わらった。She cackled shrilly.子こ供どもたちがケラケラ笑わらっている。The children are cackling with laughter.