Entry 1 sense Webster, 1913 Ritualistic /rĭchˌ-o͞o-əl-ĭs'-tĭk/ · Rit·u·al·is·tic · IPA /ˌɹɪt͡ʃuəˈlɪstɪk/ 01 a. Pertaining to, or in accordance with, a ritual; adhering to ritualism. 1. Pertaining to, or in accordance with, a ritual; adhering to ritualism.