זָהִיר, (זהר) looking out; strictly observant; careful, on one’s guard. Ab. II, 1 הוי ז׳ וכ׳ be as strict in the observance of minor religious duties &c. Ib. IV, 13; B. Mets. 33ᵇ הוי ז׳ בתלמזד be careful in teaching the Law, v. זָדוֹן. Snh. 76ᵇ הוי ז׳ במי שיועצך וכ׳ Ms. M. (ed. מן היועצך, v. Rabb. D. S. a. l. note) beware of him who advises thee to his own advantage. Sabb. 23ᵇ הז׳ במזוזה he who is strict in the observance &c.; a. fr.—Pl. זְהִירִין, f. זְהִירוֹת. Ab. II, 3 הוו ז׳ ברשות beware of the officials. Sabb. II, 6 על שאינן ז׳ וכ׳ because they are not careful in the observance of the laws concerning &c.; a. fr.