8 letters · 10 points in Scrabble
noun an unrestrained expression of emotion
noun a sudden intense happening
noun a sudden violent disturbance
originInherited from Middle English outbersten, outbresten. Cognate with Dutch uitbarsten (“to erupt; burst out”), German ausbersten (“to burst out; erupt”). By surface analysis, out- + burst.
Etymology from Wiktionary, CC BY-SA 3.0