1 adjective of persongéarchúiseach adj1 c m ugéarintinneach adj c m ugrinn adj1 c m ushe's clear-headed about what's involvedtuigeann sí go rímhaith cad atá i gceist2 adjective of reasoning, approachgéarchúiseach adj1 c m ustuama adj3 c m ugrinn adj1 c m uthey worked it out in a clear-headed mannerd'oibrigh siad amach é ar bhealach ciallmhar stuama