1 definition found From The Collaborative International Dictionary of English v.0.44 [gcide]: Prolong \Pro*long"\, verb (used with an object) [imp. & p. p. {Prolonged}; p. pr. & vb. n. {Prolonging}.] [F. prolonger, L. prolongare; pro before, forth + longus long. See {Long}, adjective, and cf. {Prolongate}, {Purloin}. ] 1. To extend in space or length; as, to prolong a line. 2. To lengthen in time; to extend the duration of; to draw out; to continue; as, to prolong one's days. Prolong awhile the traitor's life. --Shak. The unhappy queen with talk prolonged the night. --Dryden. 3. To put off to a distant time; to postpone. --Shak.

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