lengthen in time; cause to be or last longer: "We prolonged our stay"; "She extended her visit by another day"
lengthen or extend in duration or space
lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight"
lengthen or extend in duration or space; "We sustained the diplomatic negociations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
