Butt in has 2 different meanings across 1 category:
Verb
Verb
1
break into a conversation
"her husband always chimes in, even when he is not involved in the conversation"
2
To join a conversation or situation in which one is not welcome or invited; to interject (connotes a rude or discourteous interruption).
Broader Terms (hypernyms)
Narrower Terms (hyponyms)