Guffaw is a loud, boisterous laugh, typically brief and erupting with strong, hearty amusement. As a noun, it denotes the sound itself or the act of laughing uproariously; as a verb it can be used informally to mean to laugh heartily. It conveys a sense of exuberant, unrestrained mirth rather than a gentle chuckle. 2-4 sentences, 50-80 words max.
Full pronunciation guide
