theriomorphic Syllabification: (the·ri·o·mor·phic)Pronunciation: /ˌTHi(ə)rēəˈmôrfik/Definition of theriomorphic adjective (especially of a deity) having an animal form. Origin: late 19th century: from Greek thērion 'wild beast' + -morph + -ictheriomorphic in other Oxford dictionaries Definition of theriomorphic in the British & World English dictionary