1 adjective fierce, violentfíochmhar adj1 c m ushe was attacked by a ferocious dogd'ionsaigh madra fíochmhar ía ferocious battlecogadh fíochmharthe reviews of the show were ferociousbhíothas an-ghéar ar an seó sna léirmheasanna2 adjective extremeuafásach adj1 c m umillteanach adj1 c m udamanta adj3 c m ufiánta adj3 c m uthe cost of all this is ferocioustá costas uafásach air seo ar fad, tá sé seo ar fad damanta costasach