Entry 1 sense Webster, 1913 Rhythmic /(-mĭk)/ · Rhyth·mic · IPA /ˈɹɪð.mɪk/ 01 a. Pertaining to, or of the nature of, rhythm 1. Pertaining to, or of the nature of, rhythm “Day and night I worked my rhythmic thought.” — Mrs. Browning. Phrases & compounds Rhythmical accent — See Accent, n., 6 (c).