Entry 2 senses · 2 variants Webster, 1913 Perforce /pẽrf-ôrs'/ · Per·force · IPA /pɚˈfɔɹs/ adv. v. t. 01 adv. By force; of necessity; at any rate. 1. By force; of necessity; at any rate. 02 v. t. To force; to compel. 1. To force; to compel.[Obs.]