Warm  —adj. 1 of or at a fairly high temperature. 2 (of clothes etc.) Affording warmth. 3 a sympathetic, friendly, loving. B hearty, enthusiastic. 4 colloq. Iron. Dangerous, difficult, hostile. 5 colloq. A (in a game) close to the object etc. Sought. B near to guessing. 6 (of a colour etc.) Reddish or yellowish; suggestive of warmth. 7 hunting (of a scent) fresh and strong. —v. 1 make warm. 2 a (often foll. By up) warm oneself. B (often foll. By to) become animated or sympathetic. —n. 1 act of warming. 2 warmth of the atmosphere etc.  warm up 1 make or become warm. 2 prepare for a performance etc. By practising. 3 reach a temperature for efficient working. 4 reheat (food).  warmly adv. Warmth n. [old english]