Synonyms: prolong, protract, extend, draw out
Definition: lengthen in time; cause to be or last longer
Usage: We prolonged our stay; She extended her visit by another day; The meeting was drawn out until midnight
Synonyms: prolong, keep up, sustain
Definition: lengthen or extend in duration or space
Usage: We sustained the diplomatic negotiations as long as possible; prolong the treatment of the patient; keep up the good work
Similar words: preserve, uphold, carry on, bear on, continue
Definition: keep or maintain in unaltered condition; cause to remain or last
Usage: preserve the peace in the family; continue the family tradition; Carry on the old traditions