cruise control noun2 •A system that maintains a vehicle at constant set speed, usually until the brake or accelerator is pressed.The crash-involved truck driver had activated the vehicle’s traditional cruise control, which is only able to maintain a set speed and does not reduce that speed based on vehicles ahead. — 2024 •(figurative) A state of being where tasks are completed easily and routinely.He seemed happy living life in cruise control, which pissed me off. — 2012 formscruise controls