interrupt

a signal that temporarily stops the execution of a program so that another procedure can be carried out

make a break in; "We interrupt the program for the following messages"

destroy the peace or tranquility of; "Don't interrupt me when I'm reading"

interfere in someone else's activity; "Please don't interrupt me while I'm on the phone"

terminate; "She interrupted her pregnancy"; "break a lucky streak"; "break the cycle of poverty"