adjectivemírathúil adj2 c m ubearránach adj1 c m uthere's a frustrating lack of evidencechuirfeadh an easpa fianaise soir thú, is mór an cantal a laghad fianaise atá annit's very frustratingis mór an bearrán é, is crá croí ceart é, tá frustrachas mór ag baint leisit's frustrating not to win when we played so wellis crá croí ceart nár bhuamar tar éis dúinn imirt chomh maith sin