v. dep. n. and a. (interfari, interfatur, interfatus are the forms in common use), to speak between , to interrupt in speaking (syn. interpello): priusquam ille postulatum perageret, interfatur Appius, Liv. 3, 47: orsum eum dicere, Phaeneas interfatus, interrupted ,id. 32, 34: Venus sic interfata est, Verg.A. 1, 386: quem interfari nefas est, Plin.Ep. 1, 23, 2.