adjective

1. 1. having or giving off a moderate degree of heat a warm iron, warm coffee
   2. giving off pleasurable heat a warm fire
   3. uncomfortably warm; hot a warm night
2. having the natural heat of living beings: said of the body, blood, etc.
3. 1. heated or overheated, as with exercise or hard work
   2. such as to make one heated or overheated warm exercise, work, etc.
4. effective in keeping body heat in warm clothing
5. characterized by lively disagreement: said of argument or controversy
6. fervent; ardent; enthusiastic warm encouragement
7. lively, vigorous, brisk, or animated
8. quick to anger; irascible; heated
9. 1. genial; cordial a warm welcome
   2. sincere; grateful warm thanks
   3. sympathetic, affectionate, or loving
   4. passionate; amorous
10. suggesting warmth; having yellow, orange, or red hue: said of colors
11. newly made; fresh; strong: said of a scent or trail
12. Informal close to discovering something; on the verge of guessing or finding, as in games
13. Informal disagreeable; uncomfortable to make things warm for someone

Etymology: ME < OE wearm, akin to Ger warm < IE base *gwher-, hot > Gr thermē, heat, thermos, warm, theros, summer, L formus, warm, fornax, furnace

adverb

transitive verb

1. to make warm; raise the temperature of to a moderate extent
2. to make excited, animated, ardent, enthusiastic, lively, etc.
3. to fill with pleasant or kindly emotions a sight to warm the heart

Etymology: ME warmen < OE wearmian

intransitive verb

1. to become warm
2. to become friendly, kindly, affectionate, or sympathetic (to or toward)
3. to become excited, ardent, enthusiastic, lively, etc.: often with to
4. to feel a glow of pleasure; bask

noun