v. t. [ imp. & p. p. Impleaded; p. pr. & vb. n. Impleading. ] [ Cf. Emplead. ] (Law) To institute and prosecute a suit against, in court; to sue or prosecute at law; hence, to accuse; to impeach. [ 1913 Webster ]
v. i. To sue at law. [ 1913 Webster ]
a. Not admitting excuse, evasion, or plea; rigorous. [ R. ] T. Adams. [ 1913 Webster ]
n. (Law) One who prosecutes or sues another. [ 1913 Webster ]