guffaw /ɡəˈfɔː/noun 1verb 1forms 3 noun1 •A boisterous laugh.He walked to the edge and they heard his hoarse guffaw of laughter as the arrows clanged and clattered against his impenetrable mail. — 1905 verb1 •To laugh boisterously.He guffawed at his adversaries. — 1891 formsguffawed · guffawing · guffaws