1. Gaiety with laughter or noise; mirth; jollity.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• mearines,
• worriness,
• meaniness,
• erriness,
• merringes,
• meriness,
• megreness,
• merciness,
• merriones,
• merioness,
• merreiness,
• merrines,
• marriness,
• merryness,
• smarrminess,
• Myriness,
• terraness,
• derriness,
• merrieness,
• merrynes

• mehring,
• meringue,
• meriones.

The adjective form of "merriness" is "merry".

The plural of the "merriness" can be the "merrinesses".

The singular of the "merriness" can be the "merriness".