adjectiveurchóideach adj1 c m umailíseach adj1 c m ua sinister atmosphereatmaisféar bagrachit was a sinister conspiracycomhcheilg urchóideach a bhí annthere was a sinister undertone to what he saidbhí urchóid sa mhéid a dúirt séthere's something sinister about ittá rud éigin míthaitneamhach faoi