| 1. | light in weight. |
| 2. | being lighter in weight, texture, etc., than another item or object of identical use, quality, or function: a lightweight topcoat; a lightweight alloy for ship construction. |
| 3. | without seriousness of purpose; trivial or trifling: lightweight reading. |
| 4. | of or pertaining to a lightweight: He's the new lightweight contender. |
| 5. | (of a horse, esp. a hunter) able to carry up to 165 lb. (75 kg). |
| 6. | a person of less than average weight. |
| 7. | Informal. a person who is of little influence, importance, or effect. |
| 8. | a boxer or other contestant intermediate in weight between a featherweight and a welterweight, esp. a professional boxer weighing between 126 and 135 lb. (56.7–61 kg). |
lightweight
|