kibitz

verb
ki·​bitz | \ ˈki-bəts How to pronounce kibitz (audio) , kə-ˈbits How to pronounce kibitz (audio) \
variants: or less commonly kibbitz
kibitzed also kibbitzed; kibitzing also kibbitzing; kibitzes also kibbitzes

Definition of kibitz

intransitive verb

1 : to act as a kibitzer
2 : to exchange comments : chat

transitive verb

: to observe as a kibitzer especially : to be a kibitzer at kibitz a card game