outlaugh

From out- +‎ laugh. Compare Saterland Frisian uutlachje, West Frisian útlaitsje, Dutch uitlachen (“to ridicule”), German Low German utlachen, German auslachen (“to laugh at”), Danish udle.

outlaugh (third-person singular simple present outlaughs, present participle outlaughing, simple past and past participle outlaughed)

1. (transitive) To ridicule or laugh someone out of a purpose, principle, etc.; laugh down; discourage or put out of countenance by laughing.

   His apprehensions of being outlaughed will force him to continue in a restless obscurity. - Franklin

2. (transitive) To laugh louder than, surpass in laughing.
   • 1995, Myra Page, Moscow Yankee:

     At his father's quick guffaw he jumped back, trying to outlaugh him. "Mamma, did you hear what I said, Mamma?" Boardman felt his side. "My boy, that's a good one."