animal disease ani·mal·di·sease uncommon noun 1. a disease that typically does not affect human beings Synonymsanimal disease Related words Broader terms disease Narrower terms warbleanaplasmosisaspergillosisbigheadbovine spongiform encephalitisbull nosecamelpoxcanine chorea WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.