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The definition of fun

8 Definitions of: fun

    1. noun, a source of enjoyment, amusement, diversion, etc
    2. noun, pleasure, gaiety, or merriment
    3. noun, jest or sport (esp in the phrases in or for fun)
    4. noun, fun and games ironic or facetious amusement; frivolous activity
    5. noun, like fun a) quickly; vigorously b) not at all! certainly not!
    6. noun, make fun of or poke fun at to ridicule or deride
    7. noun, full of amusement, diversion, gaiety, etc
    8. verb, to act in a joking or sporting manner
    9. Show me some examples of this word: fun
    10. Show me the etymology of the word: fun
Synonyms: deride, sport, whoopee (informal), jollification, nonsense, convivial, joy, mimic, parody, amusement And more...
Antonyms: gloom
 

From Collins

©HarperCollins 2008. Collins English Dictionary definition of fun