A guffaw is defined as a hearty and enthusiastic burst of laughter.(noun)
A loud enthusiastic laugh is an example of a guffaw.
The definition of guffaw is to laugh in a loud and enthusiastic way.(verb)
When you laugh out loud boisterously, this is an example of a guffaw.
See guffaw in Webster's New World College Dictionary
See guffaw in American Heritage Dictionary 4
Origin: Probably imitative.
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