Entry 1 sense Webster, 1913 Overconfident /ōvˌ-ẽrk-än'-fĭd-ənt/ · O·ver·con·fi·dent · IPA /ˌəʊvə(ɹ)ˈkɒnfɪdənt/ 01 a. Confident to excess. 1. Confident to excess.