forewarn Copy link Outline 1. praemŏneo, 22. mŏneo, 23. signĭfĭco, praesignĭfĭco, 1 • forewarn: 1. praemŏneo, 2: to be f.'d of impending dangers, de impendentibus periculis praemoneri, Cic.: to f. any one to be on his guard, pr. aliquem ut caveat, Cic.: f.'d of the changeableness of the sky, varietatem coeli praemonitus, Col. 2. mŏneo, 2: v. to warn. 3. signĭfĭco, praesignĭfĭco, 1: v. to forebode. Phr.: f.'d is forearmed, cavendo tutus, M. L. (herald.).