1 adjective unpleasantuafásach adj1 c m umillteanach adj1 c m ucreathnach adj1 c m ugránna adj3 c m uisn't this weather frightful?nach gránna an aimsir í seo?, nach bhfuil an aimsir seo creathnach?2 adjective informal used to emphasise sth baduafásach adj1 c m umillteanach adj1 c m uwe had a frightful rowbhí troid uafásach eadrainnhe had a frightful headachebhí drochthinneas cinn air, bhí pian dhamanta ina cheann
3 adjective causing fearscanrúil adj2 c m uscáfar adj1 c m uscéiniúil adj2 c m ucreathnach adj1 c m uit was a frightful experienceba scanrúil an t-eispéireas é