We found 3 dictionaries that define the word junior lightweights:

General (2 matching dictionaries)

1. junior lightweights: Collins English Dictionary
2. junior lightweights: TheFreeDictionary.com

Computing (1 matching dictionary)

3. junior lightweights: Encyclopedia

(Note: See junior_lightweight as well.)

Definitions from WordNet (junior lightweight) ▸ noun:  weighs no more than 130 pounds ▸ Also see junior_lightweight ▸ Words similar to junior lightweights ▸ Usage examples for junior lightweights ▸ Idioms related to junior lightweights ▸ Wikipedia articles (New!) ▸ Words that often appear near junior lightweights ▸ Rhymes of junior lightweights ▸ Invented words related to junior lightweights