1 noun lack of judgement, wisdomdíth céille c m ubaois fem2 c m umístuaim fem2 c m uthe foolishness of youthbaois na hóige2 noun silliness, stupidityamadántacht fem3 c m uleibideacht fem3 c m ubómántacht fem3 c m uit'd be foolishness to ignore itb'amaideach an mhaise é neamhiontas a dhéanamh dewe'll all pay for this foolishnessbeimid ar fad thíos leis an mbeart amaideach seo3 noun nonsenseamaidí fem4 c m useafóid fem2 c m uthat's sheer foolishnessníl ann sin ach deargamaidí, seafóid amach is amach é sin