sizz /sɪz/noun 1verb 1forms 3 noun1 •(no longer used, rare) Fizz, sizzle.I heard the din of happy voices in the "big house" and the sizz and songs of boiling kettles in the kitchen. — 1896 verb1 •(no longer used, rare) To fizz, sizzle. formssizzed · sizzing · sizzes
