(じょうだん)

じょうだん
noun
joke, jest
1. joke, jest, kidding
Something said or done for amusement; not meant to be taken seriously.
冗談(じょうだん)
I'm just kidding!
I told a joke and made everyone laugh.
I'm not kidding, it's true.
He's good at telling jokes and always lightens the mood.
I meant it as a joke, but I ended up hurting the other person's feelings and regretted it.

冗談(じょうだん) refers to jokes or kidding around.

COMMON EXPRESSIONS:

REGISTER:
冗談(じょうだん) is neutral and can be used in most situations. For more casual speech, ジョーク (from English "joke") is also common.

COMMON MISTAKE:
"冗談(じょうだん)(つく)" is unnatural. Use "冗談(じょうだん)()" (to tell a joke) instead.