intervene
🇺🇸
/ˌɪntərˈviːn/
🇬🇧
/ˌɪntəˈviːn/
to step in to help or fix a situation
The teacher had to intervene to stop the fight between the students.
to interrupt someone while they are speaking
He tried to intervene with a question during the meeting.
to happen and cause a delay or stop something
Bad weather may intervene and cancel our picnic plans.
to come between two events or times
Many changes intervened between their first meeting and marriage.