WordWeb Online

1. The physiological state of having or consisting of muscle
    
2. Quality of having muscular strength
   - brawn, brawniness, muscle, sinew, heftiness
    
3. An imaginative lively style (especially style of writing)
   "a remarkable muscularity of style";
   - energy, vigor [US], vigour [Brit, Cdn], vim

Derived forms: muscularities

Type of: life, liveliness, physical condition, physiological condition, physiological state, spirit, sprightliness, strength