To stop or cause to stop making progress. The negotiations stalled when both parties refused to compromise.
To delay or put off action. She tried to stall the meeting until her boss arrived.
To cause an engine or vehicle to stop running, typically because of a problem or error. The car stalled in the middle of the road due to a mechanical failure.
To place or confine (an animal) in a stall. The farmer stalled the horses for the night.
(Of an aircraft) to lose lift and begin to drop because the angle of attack is too great. The plane stalled shortly after take-off, but the pilot regained control.