jest jest /ˈdʒɛst/

noun

1. () A humorous anecdote or remark intended to provoke laughter  ( jape , laugh , jest , gag , joke )
   a humorous anecdote or remark intended to provoke laughter
    He told a very funny joke
   he told a very funny joke
    He knows a million gags
   he knows a million gags
    Thanks for the laugh
   thanks for the laugh
    He laughed unpleasantly at his own jest
   he laughed unpleasantly at his own jest
    Even a schoolboy's jape is supposed to have some ascertainable point
   even a schoolboy's jape is supposed to have some ascertainable point
   
2. Activity characterized by good humor  ( jest , jocularity , joke )
   activity characterized by good humor
    His speech included a joke that made everyone laugh.
   His speech included a joke that made everyone laugh.
   
   

verb

1. () Tell a joke; speak humorously  ( jest , joke )
   tell a joke; speak humorously
    He often jokes even when he appears serious
   He often jokes even when he appears serious
   
2. Act in a funny or teasing way  ( jest , joke )
   act in a funny or teasing way