baptises Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to give a Christian name to by means of this ceremony; to perform the Christian ceremony of dipping in or sprinkling with water Chiefly British. Example Sentence He baptises the baby John. Synonyms christen; ceremony; given a Christian name Antonyms wedding Hear It! Say It! Write It! baptises Switch to cursive Start Share with your friends: