Main Entry: ¹riff

Pronunciation: \ˈrif\

Function: noun

Etymology: probably by shortening & alteration from refrain

Date: 1935

1 : an ostinato phrase (as in jazz) typically supporting a solo improvisation; also : a piece based on such a phrase
2 : a rapid energetic often improvised verbal outpouring; especially : one that is part of a comic performance
3 : a succinct usually witty comment
4 : a distinct variation : take <a disturbing…riff on the Cinderella story — Daria Donnelly>