prolongation
1 antonym for prolongation — opposites grouped by meaning.
Noun — The act of making something last longer.
Antonyms
Etymology
From Middle English prolongacioun, from Old French prolongation, from Late Latin prōlongātiō, from prōlongātus, perfect passive participle of Latin prōlongō, from prō + longus. By surface analysis, prolong + -ation.
Full origin of prolongation →