\Con*gen"er*ous\, a. [L. congener; con- + genus, generis, birth, kind, race. See {Genus}, and cf. {Congener}.] Allied in origin or cause; congeneric; as, congenerous diseases. [Obs.] --Sir T. Browne. -- {Con*gen"er*ous*ness}, n. [Obs.] --Hallywell.