substitute1, s.1(Pers.) Ionadaí m. 2a(Of food-stuffs, etc.) Ionad m (ime, etc.). As a substitute for tea, in ionad tae. Rubber substitute, rubar tacair. bBeware of substitutes, bí ar d'fhaichill ar earraí ionaid. A poor substitute, sop in áit na scuaibe.
substitute2 .1v.tr.Cuirim (rud) in ionad (ruda eile). To substitute margarine for butter, margairín a chur in ionad ime. 2v.i.To substitute for s.o., dul in áit duine; ionad a dhéanamh do dhuine.