v. t. [ imp. & p. p. Impropriated p. pr. & vb. n. Impropriating ] [ Pref. im- in + L. propriatus, p. p. of propriare to appropriate. See Appropriate. ] 1. To appropriate to one's self; to assume. [ Obs. ] [ 1913 Webster ]
To impropriate the thanks to himself. Bacon. [ 1913 Webster ]
2. (Eng. Eccl. Law) To place the profits of (ecclesiastical property) in the hands of a layman for care and disbursement. [ 1913 Webster ]