jam session

noun

: an often impromptu performance by a group especially of jazz musicians that is characterized by improvisation

Examples of jam session in a Sentence

Recent Examples on the Web

This isn’t the first time Scarlett has joined her dad on stage for a jam session. — Ryan Coleman, Entertainment Weekly, 15 July 2026

Castle Rat have begun some preliminary planning and writing for their next album, piling up new riffs at jam sessions. — Steve Appleford, SPIN, 29 June 2026

The former Wimpy Kid costars have also shared videos of their jam sessions. — Gillian Telling, PEOPLE, 29 June 2026

Separated by decades of time and distance and different lines of work, the members decided to get back together for an informal jam session two summers ago in Seattle, where McCaffrey lives. — Chris Placek, Chicago Tribune, 27 June 2026

Word History

Etymology

jam entry 3

First Known Use

1931, in the meaning defined above

Rhymes for jam session

• accession
• aggression
• compression
• concession
• confession
• depression
• digression
• discretion
• expression
• impression
• obsession
• oppression

Kids Definition

jam session

noun

: an informal performance by a group of musicians (as jazz musicians) who often invite visitors to join in