| 1. | an act or instance of warming up: The spectators came early to watch the players go through their warmups. The dancers went through a quick warmup. |
| 2. | the period before a radio or television broadcast when the audience is entertained so that it will be more receptive to the actual program. |
| 3. | Also, warm up. the time lapse between turning on the power in an electronic component or device and the time it is operable. |
| 4. | Often, warmups. any apparel, esp. a sweat suit, worn over other clothing for warmth, chiefly in sports or during preliminary exercise. |

adjective, -er, -est, verb, noun | 1. | having or giving out a moderate degree of heat, as perceived by the senses: a warm bath. |
| 2. | of or at a moderately high temperature; characterized by comparatively high temperature: a warm oven; a warm climate; a warm summer. |
| 3. | having a sensation of bodily heat: to be warm from fast walking. |
| 4. | conserving or maintaining warmth or heat: warm clothes. |
| 5. | (of colors) suggestive of warmth; inclining toward red or orange rather than toward green or blue. |
| 6. | characterized by or showing lively feelings, passions, emotions, sympathies, etc.: a warm heart; warm interest. |
| 7. | strongly attached; intimate: warm friends. |
| 8. | cordial or hearty: a warm welcome. |
| 9. | heated, irritated, or angry: to become warm when contradicted. |
| 10. | animated, lively, brisk, or vigorous: a warm debate. |
| 11. | strong or fresh: a warm scent. |
| 12. | close to something sought, as in a game. |
| 13. | uncomfortable or unpleasant: His opponents made things so warm that he decided to quit. |
| 14. | British Informal. well off; in easy circumstances. |
| 15. | to make warm; heat (often fol. by up): to warm one's hands; to warm up a room. |
| 16. | to heat or cook (something) for reuse, as leftovers (usually fol. by over or up): to warm up yesterday's stew. |
| 17. | to excite enthusiasm, ardor, cheerfulness, or vitality in (someone): The wine soon warmed the company. |
| 18. | to inspire with kindly feeling; affect with lively pleasure: It warms my soul to hear you say that. |
| 19. | to fill (a person, crowd, etc.) with strong feelings, as hatred, anger, or zeal: Restrictions had warmed the crew to the point of mutiny. |
| 20. | to become warm or warmer (often fol. by up): The room will warm up when the fire gets going. |
| 21. | to become ardent, enthusiastic, animated, etc. (often fol. by up or to): The speaker quickly warmed to her subject. |
| 22. | to grow kindly, friendly, or sympathetically disposed (often fol. by to or toward): My heart warms toward him. |
| 23. | Informal. a warming: Sit by the fire and have a nice warm. |
| 24. | warm down, to conclude or follow a period of strenuous physical exercise by walking or gentle stretching. |
| 25. | warm up,
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| 26. | warm the bench, Sports. to serve as a substitute who rarely plays in a game: The young outfielder warmed the bench for the Yankees last season. |

warm (so) up
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warm up
Prepare for exercise or an athletic event by stretching or practicing beforehand, as in It's important to warm up before you play any sport. The idiom is also applied to musicians getting ready to perform. [Late 1800s]
Make enthusiastic, excited, or animated, as in He was good at warming up an audience for the main speaker. [Mid-1800s]
Also, warm up to. Become friendlier or more receptive toward, as in I had a hard time warming up to my mother-in-law. [Early 1800s]
Reach a temperature high enough to work efficiently, as in I'll go out and warm up the car. [Mid-1900s]
Reheat food, as in If we warm up the leftovers, we'll have enough for everyone. [Mid-1800s]
Approach a state of violence or confrontation, as in Racial tension was rapidly warming up. Also see heat up.