WordWeb Online

1. A person who enjoys telling or playing jokes
   - jokester, wisecracker, quipster
    
2. A person who does something thoughtless or annoying
   "some joker is blocking the driveway"
   - turkey
    
3. An inconspicuous clause in a document or bill that affects its meaning in a way that is not immediately apparent
   "when I demanded my money he showed me the joker in the contract"
    
4. A playing card that is usually printed with a picture of a jester

Derived forms: jokers

See also: joke

Type of: article, clause, comedian, comic, disagreeable person, playing card, unpleasant person

Encyclopedia: Joker