roll over verb8 •To make a rolling motion or turn.The car rolled completely over. •To cause a rolling motion or turn.The mob rolled the car over. •To reinvest funds from a maturing financial security in the same or similar investment. •To reinvest funds from a lottery into a subsequent one, in the event that a prize was not won. •To give in to.He doesn't meekly roll over to all her demands.I'm not going to roll over this time. •To increment, especially back to an initial value.[…] to check if the system time has rolled over to the next second. — 2001 •To move the cursor over.In this task, you'll revisit the button symbol so that it reacts when the user rolls over it. — 2004 •To easily overwhelm; to steamroller; to brush aside. formsrolled over · rolling over · rolls over