Contributing to a valuable end; conferring benefit; advantageous; profitable; useful; helpful.Having or conferring the right to the use or benefit, as of property; pertaining or entitled to the usufruet: as, a beneficial owner (which see, below); a beneficial interest in an estate.Pertaining to or having a benefice; beneficed.Kind; generous: as, a “beneficial foe,”n. A benefice; a church living.n. In zoology, an animal which benefits man by destroying or checking the increase of animals injurious to him.