1. a short repeated phrase in popular music or jazz
Usage: music
2. a set of comments on a particular subject
Usage: informal

1. to perform riffs in music
Usage: music
2. to speak or write at length on a particular subject
Usage: informal

Examples

• The guitarist played a catchy riff that stuck in everyone’s head.
• That opening riff is one of the most recognizable in rock music.
• He went on a long riff about the importance of education.
• The comedian’s riff on airline food had the audience laughing.
• She likes to riff on her guitar during practice sessions.
• The speaker began to riff on the topic of climate change.
• The bass riff drives the entire song forward.