WordWeb Online

1. A healthy capacity for vigorous activity
   "he seemed full of vim and vigour";
   - energy, vitality
    
2. An imaginative lively style (especially style of writing)
   "his writing conveys great vim";
   - energy, muscularity, vigor [US], vigour [Brit, Cdn]

Derived forms: vims

Type of: good health, healthiness, life, liveliness, spirit, sprightliness

Encyclopedia: Vim, Vigor and Vitaliky