Tasmanian wolf tas·ma·nian·wolf uncommon noun 1. rare doglike carnivorous marsupial of Tasmania having stripes on its back; probably extinct SynonymsthylacineTasmanian wolfTasmanian tigerThylacinus cynocephalus Related words Broader terms dasyurid marsupial Parts Thylacinus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.