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1. Attractiveness to the opposite sex
   - sex appeal, desirability, desirableness, oomph [informal]
    
2. The activeness of an energetic personality
   - dynamism, pizzazz [informal], oomph [informal], zing [informal], pzazz [informal], pizazz [informal]
    
3. Force, power
   "give it some umph";
   - oomph [informal], welly [Brit, informal], wellie [Brit, informal]

Derived forms: umphs

Type of: activeness, activity, attractiveness, force, forcefulness, strength