—adj. 1. having or giving off heat; having a high temperature: a hot fire; hot coffee. 2. having or causing a sensation of great bodily heat; attended with or producing such a sensation: He was hot with fever. 3. creating a burning sensation, as on the skin or in the throat: This ointment is hot, so apply it sparingly. 4. sharply peppery or pungent: Is this mustard hot? 5. having or showing intense or violent feeling; ardent; fervent; vehement; excited: a hot temper. 6. Informal.having a strong enthusiasm; eager: a hot baseball fan. 7. Slang. a. sexually aroused; lustful.
b. sexy; attractive.
8. violent, furious, or intense: the hottest battle of the war. 9. strong or fresh, as a scent or trail.
10. absolutely new; fresh: a dozen new mystery stories hot from the press. 11. requiring immediate delivery or correspondence; demanding priority: The hot freight must be delivered by 10:00 a.m. tomorrow, or we'll lose the contract. 12. Slang.skillful in a reckless or daring way: a hot pilot. 13. following very closely; close: to be hot on the trail of a thief. 14. (of colors) extremely intense: hot pink. 15. Informal.popular and commercially successful; in demand; marketable: The Beatles were a hot group in the 1960s. 16. Slang.extremely lucky, good, or favorable: A poker player has to have a hot hand to win the pot. 17. Slang.(in sports and games) playing well or winningly; scoring effectively: a hot pitcher. 18. Slang.funny; absurd: That's a hot one! 19. Games.close to the object or answer that is being sought.
20. Informal.extremely exciting or interesting; sensational or scandalous: a hot news story. 21. Jazz. a. (of music) emotionally intense, propulsive, and marked by aggressive attack and warm, full tone.
b. (of a musician) skilled in playing hot jazz.
22. Informal.(of a vehicle) capable of attaining extremely high speeds: a hot new jet plane. 23. Slang. a. stolen recently or otherwise illegal and dangerous to possess: a hot diamond necklace. b. wanted by the police.
24. Informal.in the mood to perform exceedingly well, or rapidly, as during a burst of creative work: Finish writing that story while you're still hot. 25. actively conducting an electric current or containing a high voltage: a hot wire. 26. of, pertaining to, or noting radioactivity.
27. Metalworking.noting any process involving plastic deformation of a metal at a temperature high enough to permit recrystallization due to the strain: hot working. 28. get hot,Slang.(in sports and games) to become very effective or successful; score or win repeatedly or easily.
29. hot and bothered,Informal.excited, aroused, or flustered: This mistake isn't worth getting hot and bothered about.Also,all hot and bothered. 30. hot under the collar. See collar (def. 16).
31. make it hot for,Informal.to make something unpleasant for; cause trouble for: Ever since their argument the principal has been making it hot for the new teacher.
—adv. 1. in a hot manner; hotly.
2. while hot: Garnish the potatoes with parsley and serve hot. 3. Metalworking.at a temperature high enough to permit recrystallization: The wire was drawn hot. 4. hot and heavy,Informal.in an intense, vehement, or passionate manner: They argued hot and heavy for 20 minutes.