Chagrin \Cha*grin"\, v. t. [imp. & p. p. {Chagrined}; p. pr. & vb. n. {Chargrining}.] [Cf. F. chagriner See {Chagrin}, n.] To excite ill-humor in; to vex; to mortify; as, he was not a little chagrined. [1913 Webster]