WordWeb Online

1. Any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy
    
2. Active strength of body or mind
   - vigor [US], vigour [Brit, Cdn], heartiness
    
3. The activeness of an energetic personality
   - pizzazz [informal], oomph [informal], zing [informal], pzazz [informal], pizazz [informal], umph [informal]

Derived forms: dynamisms

Type of: activeness, activity, doctrine, ism, philosophical system, philosophy, school of thought, strength

Encyclopedia: Dynamism