Answer:

zany

AnswerCrossword Clue
ZANYAdjective for the Marx Brothers
ZANYWild and crazy
ZANYOff-the-wall
ZANYKooky
ZANYLike the Marx Brothers
ZANYMadcap
ZANYClown
ZANYMarxist?
ZANYClownish
ZANYBuffoonish
ZANYBuffoon
ZANYLike the Marx brothers
ZANYWild and crazy guy
ZANYProne to buffoonery
ZANYMonty Pythonesque
ZANYWacko
ZANYSlapstick
ZANYLunatic
ZANYScrewball
ZANYOutlandish
ZANYLike the Marxes
ZANYWacky
ZANYGroucho-like
ZANYAbsurd
ZANYSilly person.
ZANYBuffoon.
ZANYFunny fellow.
ZANYSilly fellow.
ZANYClown.
ZANYClownish character.
ZANYCrazy.
ZANYEd Wynn, for instance.
ZANYComic of a sort.
ZANYAbsurdly funny.
ZANYMerry-andrew.
ZANYClownish.
ZANYMerry-Andrew.
ZANYMadcap.
ZANYPhyllis Diller, for one
ZANYComical