'Wit' is a 3-letter word that means the ability to say clever and funny things.
Witty
Comedic is something that's funny.
Widdershins is a funny word. It means counterclockwise.
Entertaining is a synonym for funny. It begins with the letter e.
smart
A three letter word that could mean clever is sly.
funny
Namby-pamby is a funny word that means the person is weak with no backbone. Nincompoop is a funny word that means the person is a foolish.
Gunky is a funny word. It means something that is messy or sticky.
boffo, bizarre
lies
glib