joker
jok-er · noun
Definitions
noun
- 1.
A person who tells jokes or does funny things.
- 2.
A playing card in some games, typically bearing the image of a jester, used as a wild card.
- 3.
(informal) A foolish or annoying person.
- 4.
An unexpected factor that may change a situation.
Forms
plural: jokers
Phrases & expressions
- •joker in the pack — an unpredictable person or factor
- •wild card / joker — something that can have an unpredictable effect
Related words
Etymology
From joke + -er (agent suffix). Joke comes from Latin jocus ("jest, joke").