joins in
Enters the activity
To join in is to participate in an activity already underway.
Someone joins in a conversation, a song, or a game that others have started: Feel free to join in whenever you're ready.
The phrase emphasizes becoming part of something collective rather than initiating it.
- participatesTakes an active role
- cooperatesWorks jointly with others
- contributesGives toward a goal
- pitches inContributes to shared work
- lends a handProvides willing assistance
collaborates · attends · mingles · tags along · goes along · engages · volunteers · chips in · throws in · jumps in · merges · incorporates · connects · gather · assimilates · blends in · unites · takes part