Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb prolong

2 senses of prolong

Sense 1
prolong, protract, extend, draw out -- (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 -- (make longer; "Lengthen this skirt, please")

Sense 2
prolong, sustain, keep up -- (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")
       => continue, uphold, carry on, bear on, preserve -- (keep or maintain in unaltered condition; cause to remain or last; "preserve the peace in the family"; "continue the family tradition"; "Carry on the old traditions")

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