WordWeb Online

1. Weighing relatively little compared with another item or object of similar use
   "a lightweight fabric"; "lightweight wood"
    
2. Having no importance or influence
   "a lightweight intellect"

1. Someone with little influence or importance
    
2. A professional boxer who weighs between 131 and 135 pounds
    
3. An amateur boxer who weighs no more than 132 pounds
    
4. A wrestler who weighs 139-154 pounds
    
5. [informal] Someone who gets drunk easily

Derived forms: lightweights

See also: jackanapes [archaic], light, unimportant, whippersnapper [informal]

Type of: boxer, gladiator, grappler, matman [informal], prizefighter, pugilist, wrestler

Encyclopedia: Lightweight