ceremonial UK /ˌsɛɹɪˈməʊnɪ.əl/US /ˌsɛɹɪˈmoʊniəl/adjective 3noun 1forms 3 adjective3 •Of, relating to, consisting of, or used in a ceremony.What mockery will it be / To want the bridegroom when the priest attends / To speak the ceremonial rites of marriage! — 1590 •Used only for the purpose of ceremony; symbolic. •(no longer used) Synonym of ceremonious (“of a person: fond of ceremony or ritual, or of observing strict etiquette or formality; punctilious”).Oh monstrous, superstitious puritan, / Of refin’d manners, yet ceremoniall man, […] — 1593 noun1 •A ceremony, or series of ceremonies, prescribed by ritual.Curt’sies, and the usual Ceremonials between Women who are Strangers to each other being past, Sophia said, ‘I have not the Pleasure to know you, Madam.’ — 1749 formsceremonials · more ceremonial · most ceremonial