Entry 1 sense Webster, 1913 Hyperkinetic /hīpˌ-ẽrk-ĭn-ĕt'-ĭk/ · Hy·per·ki·net·ic · IPA /hˌaɪpərkɪnˈɛtɪk/ 01 a. Of or pertaining to hyperkinesis. 1. Of or pertaining to hyperkinesis.