something that provides mirth or amusement

A picnic would be fun.

enjoyment or playfulness

She's full of fun.

Informal . joke; kid.

Informal . of or pertaining to fun, esp. to social fun

a fun thing to do; really a fun person.

Informal . whimsical: flamboyant

The fashions this year are definitely on the fun side.

for or 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.

adjective

bad , sad , unfun , unhappy , woeful

noun

sadness , work

adjective

amusing , boisterous , convivial , diverting , enjoyable , entertaining , lively , merry , pleasant , witty

noun

absurdity , ball * , big time * , blast * , buffoonery , celebration , cheer , clowning , distraction , diversion , enjoyment , entertainment , escapade , festivity , foolery , frolic , gaiety , gambol , game * , good time , grins , high jinks , holiday , horseplay * , jesting , jocularity , joke , joking , jollity , joy , junketing , laughter , living it up , merriment , merrymaking , mirth , nonsense , pastime , picnic * , playfulness , pleasure , recreation , rejoicing , relaxation , riot , romp , romping , solace , sport , tomfoolery * , treat , whoopee , conviviality , festival , festiveness , revel , revelry , disport , game , amusement , antic , ball , blast , divertisement amusement , drollery , facetiousness , gayety , glee , happy , hilarity , horseplay , jest , play , pleasantry , tomfoolery , waggery , waggishness

verb

jest