allopathy Syllabification: (al·lop·a·thy)Pronunciation: /əˈläpəTHē/Definition of allopathy noun the treatment of disease by conventional means, i.e., with drugs having opposite effects to the symptoms. Often contrasted with homeopathy.Derivatives allopathicPronunciation: /ˌaləˈpaTHik/ adjective allopathistPronunciation: /-THist/ noun allopathy in other Oxford dictionaries Definition of allopathy in the British & World English dictionary