Answering all requirements; suitable; fit; sufficient or adequate for the purpose: as, competent supplies of food and clothing; an army competent to the defense of the kingdom.Having ability or capacity; properly qualified: as, a competent bookkeeper.In law, having legal capacity or qualification: as, a competent judge or court; a competent witness.Rightfully or lawfully belonging; pertaining by right; permissible: followed by to.Fitted, etc. See qualified.n. One of the competentes (which see).In physical geography, of a stream, capable of transporting fragments of a given size.In geology, having sufficient firmness and strength to transmit pressure to other strata or to lift an overlying burden, as a rock or stratum.