complain, v.i.1Déanann casaoid, gearán, fuasaoid(of, faoi; that . . ., go. . .). He is complaining of the heat, tá sé ag fuasaoid, ag casaoid, ag gearán, faoin teas. He is complaining of a headache, tá sé ag éagaoineadh tinneas cinn. I have nothing to complain of, níl aon údar casaoide agam; ní gearánta dhom. 2Déanaim casaoid, gearán, ar (dhuine); gearánaim (duine). What do you complain of?cad is ábhar casaoide duit? cad é an gearán atá agat?