There are plenty of synonyms for the phrase "laugh out-loud," all of which share the same concept of a deep, hearty laughter that is difficult to control. Some of the most common synonyms include "chuckle," "guffaw," "cackle," "snort," and "snicker." Each of these words has a slightly different connotation; for example, a "guffaw" is a loud burst of laughter, while a "chuckle" is a softer, more subdued laugh. Other possible synonyms include "roar," "howl," "hee-haw," "giggle," and "hysterics." Whatever the word, all of them evoke a sense of joy, humor, and release, making them some of the most satisfying words in the English language.