hilarious

Very funny; causing great merriment and laughter.

a hilarious joke

Do you like Monty Python? I think they're hilarious.

Full of hilarity; merry.

Cold Doctor Pell here refused a very considerable fee. He could on occasion behave handsomely; but I can't learn that blustering, hilarious Doctor Rogerson ever refused his.

In order to turn the minds of hilarious guests to seriousness, they would start singing a responsive song, the subject of which was death and the earnestness of life.