\Pre*mon"ish\, v. t. [imp. & p. p. {Premonished}; p. pr. & vb. n. {Premonishing}.] [Pref. pre- + monish: cf. L. praemonere.] To forewarn; to admonish beforehand. [R.] --Herrick. To teach, and to premonish. --Bk. of Com. Prayer.