outburst

From Middle English outbersten, outbresten, equivalent to out- +‎ burst. Cognate with Dutch uitbarsten (“to erupt; burst out”), German ausbersten (“to burst out; erupt”).

outburst (third-person singular simple present outbursts, present participle outbursting, simple past outburst or outbrast, past participle outburst or outbursten)

1. (intransitive) To burst out.

outburst (plural outbursts)

1. a sudden, often violent expression of emotion or activity.

   The man greeted us with an outburst of invective.

• explosion

• inburst

• burst out, subtutor