verb (used with object), pro·lon·gat·ed, pro·lon·gat·ing.
amplify, augment, continue, dilate, distend, draw, elongate, expand, extend, increase, pad, proceed, prolong, protract, reach, spin, stretch
- prolonge knot,
Origin of prolongate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019