· 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"
Synonym(s): protract, extend, draw_out
Hypernym(s): lengthen
· lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
Hypernym(s): continue, uphold, carry_on, bear_on, preserve