Sidesplitting.
her laugh was full of mirth.
The word "mirth" is a noun meaning merriment, joy, or laughter. An example of a sentence using the word is: The children could not hold back their mirth at the carnival.
Stop the mirth; my face hurts! I will be unable to contain my mirth much longer! The unbridled mirth jiggled Santa's girth.
The sounds of mirth and laughter came from this very school room.
Mirth is happiness and joy. Shared laughter and smiles are key elements to mirth, along with song and dancing.
enjoyment
mirth
merriment
His intention was to provide a much needed dose of jollity and mirth but his jokes were so bad they simply bored everyone to tears.
abundentampleawesome
loud
Yes, the word 'laughter' is a noun, a word for a verbal expression of mirth, pleasure, derision, or nervousness; a word for a thing.