TORTHAÍ
IN FOCLÓIR GAEILGE—BÉARLA
riachtanach, a1. Necessary. An rud atá ~, what is necessary. Ábhair ~a, necessary materials. Tá sé ~ don tsláinte, it is essential to health. Níl sé ~ agat fanacht anseo, you are not obliged to stay here. Más ~, if necessary. (Var: riachtanasach)