Entry 2 senses · 2 variants Webster, 1913 force-feed · IPA v. t. n. 01 v. t. to feed (someone) against his will, as during a hunger strike. 1. to feed (someone) against his will, as during a hunger strike. 02 n. a method of lubricating internal combustion engines in which a pump forces oil into the engine bearings. 1. a method of lubricating internal combustion engines in which a pump forces oil into the engine bearings. Syn. lubricating system, force-feed lubricating system, force feed, pressure-feed lubricating system, pressure feed.