fun

[ fuhn ]

/ fʌn /

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See synonyms for: fun / funned / funning on Thesaurus.com

noun

something that provides mirth or amusement: A picnic would be fun.

enjoyment or playfulness: She's full of fun.

verb (used with or without object), funned, fun·ning,

Informal. joke; kid.

adjective, fun·ner, fun·nest.

Informal. of or relating to fun, especially to social fun: a fun thing to do; really a fun person; the funnest game.

Informal. whimsical; flamboyant: The fashions this year are definitely on the fun side.

OTHER WORDS FOR fun

1, 2 merriment, pleasure, play, gaiety.

See synonyms for fun on Thesaurus.com

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Idioms about fun

for / in fun, as a joke; not seriously; playfully: His insults were only in fun.

like fun, Informal. certainly not; of doubtful truth: He told us that he finished the exam in an hour. Like fun he did!

make fun of, to make the object of ridicule; deride: The youngsters made fun of their teacher.

Origin of fun

1675–85; dialectal variant of obsolete fon to befool. See fond¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fun in a sentence

The fun isn’t finished even if you figure out the path to success—putting it back together can be just as tricky.
Three puzzles that are like CrossFit for your brain|John Kennedy|November 20, 2020|Popular-Science
While sanctioned après festivities will be severely curtailed this year, with ski bars closed and beery events canceled, a lot of fun can be had in a parking lot.
How COVID-19 Could Actually Be Good for Skiing|Marc Peruzzi|November 20, 2020|Outside Online
Tracking trends could be important, he said, but it might not be as fun.
In D.C., a resident tracks the flying machines hovering above on the city’s ‘helicopter highway’|Justin Wm. Moyer|November 20, 2020|Washington Post
The Dallas Red Party is a fun, festive, can’t-miss event held in September of each year.
Dallas : LGBTQ Living in the Lone Star State|LGBTQ-Editor|November 19, 2020|No Straight News

It’s fun to use something like Heron’s formula to compute the area of this non-triangle.
Some Math Problems Seem Impossible. That Can Be a Good Thing.|Patrick Honner|November 18, 2020|Quanta Magazine
“Well, we'll call it hatched,” said the papa; but they knew he was just funning.
Christmas Every Day and Other Stories|W. D. Howells
The girl gurgled out her pleasure in his funning, and everybody took him on his own ground of privileged character.
The March Family Trilogy, Complete|William Dean Howells
Some one was funning Old Wittals for having eaten seven large cabbages at Mr. T——'s bee, a few days previous.
Life in the Backwoods|Susanna Moodie
But the Captain was now too deeply interested in a hot discussion with Barbican to notice that the Frenchman was only funning him.
All Around the Moon|Jules Verne
I know well its only funning you are and that its not loaded; but Id be obliged to you if youd point it the other way.
The Search Party|G. A. Birmingham

British Dictionary definitions for fun

fun

/ (fʌn) /

noun

a source of enjoyment, amusement, diversion, etc

pleasure, gaiety, or merriment

jest or sport (esp in the phrases in or for fun)

fun and games facetious, ironic amusement; frivolous activity

like fun informal

(adverb) quickly; vigorously
(interjection) not at all! certainly not!

make fun of or poke fun at to ridicule or deride

(modifier) full of amusement, diversion, gaiety, etca fun sport

verb funs, funning or funned

(intr) informal to act in a joking or sporting manner

Word Origin for fun

C17: perhaps from obsolete fon to make a fool of; see fond 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with fun

fun

In addition to the idiom beginning with fun

fun and games
funny bone
funny business
funny money

also see:

for fun
like fun
make fun of
more fun than a barrel of monkeys

Also see underfunny.