Ex'pi-āte, v. t.
v. t. [imp. & p. p. EXPIATED; p. pr. & vb. n. EXPIATING.] [Lat. expiare, expiatum, from ex, out' of, from, and piare, to seek to appease, to purify with sacred rites, from pius, dutiful, pious, devout; Sp. expiar, Fr. expier, It. espiare.] To extinguish the guilt of by sufferance of penalty or some equivalent; to make satisfaction or reparation for; to atone for; as, to expiate a crime. To expiate his treason, hath naught left. Milton. The treasurer obliged himself to expiate the injury. Clarendon.