Cas·ti·gate v. t. [imp. & p. p. Castigated; p. pr. & vb. n. Castigating.] 1. To punish by stripes; to chastise by blows; to chasten; also, to chastise verbally; to reprove; to criticise severely. 2. To emend; to correct. [Obs.] ◄ ►