1. Provide a part of a whole amount; give towards some cause
   "I chipped in at the office";
   - contribute, give, kick in
    
2. Break into a conversation
   "her husband always chips in, even when he is not involved in the conversation";
   - chime in [informal], cut in, put in, butt in [informal], barge in [informal], break in

Derived forms: chips in, chipping in, chipped in

Type of: cut off, disrupt, give, interrupt