| 1. | excitable; impetuous. |
| 2. | ardent, passionate, or virile. |
| 3. | adventuresome, exciting, or characterized by adventure and excitement. |
| 4. | (of livestock) of superior or pure breeding. |
| 5. | (of horses) being a Thoroughbred or having Arab blood. |

| hot-blood·ed (hŏt'blŭd'ĭd) adj. Easily excited or aroused: a hot-blooded youth. hot'-blood'ed·ness n. |