1 adjective important, serioustromchúiseach adj1 c m utábhachtach adj1 c m uthe weighty issues of the dayceisteanna tromchúiseacha an lae2 adjective dealing with serious subjectstrom adj c m utéagartha adj3 c m u3 adjective very influentialcumhachtach adj1 c m uúdarásach adj1 c m utábhachtach adj1 c m u4 adjective heavytrom adj c m u