ENGINE [I, T] › If an engine stalls, or if you stall it, it stops working suddenly: The car stalled when I stopped at the traffic lights. STOP [I] › to stop making progress: The peace talks have stalled over the issue of nuclear weapons. MORE TIME [T] › to intentionally make someone wait or make something happen later so that you have more time: She wanted an answer immediately, but I managed to stall her.