We found 7 dictionaries that define the word muscle builder:

General (6 matching dictionaries)

1. muscle-builder, muscle builder: Vocabulary.com
2. muscle-builder, muscle builder: Dictionary.com
3. muscle-builder, muscle builder: Rhymezone
4. muscle-builder, muscle builder: FreeDictionary.org
5. muscle-builder, muscle builder: Mnemonic Dictionary
6. muscle-builder, muscle builder: TheFreeDictionary.com

Sports (1 matching dictionary)

7. Muscle Builder: Body Building

(Note: See muscle_builders as well.)

Definitions from WordNet (muscle builder) ▸ noun:  someone who does special exercises to develop a brawny musculature ▸ Words similar to muscle builder ▸ Usage examples for muscle builder ▸ Idioms related to muscle builder ▸ Wikipedia articles (New!) ▸ Words that often appear near muscle builder ▸ Rhymes of muscle builder ▸ Invented words related to muscle builder