ˌsɛɹɪˈmoʊniəl ˌsɛɹɪˈmoʊniəl ˈsɛɹɪməni ˈsɛɹəmoʊni əbˈzɝvəns əbˈzɜːvəns marked by pomp or ceremony or formality a ceremonial occasion ceremonial garb a formal event performed on a special occasion a ceremony commemorating Pearl Harbor