prolong meaning and definition

PROLONG verb

Definition of prolong (verb)

1. 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"
   • synonyms: draw out, extend, protract
2. 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"
   • synonyms: keep up, sustain