strength in WordNet English dictionary

1. permanence by virtue of the power to resist stress or force
   "they advertised the durability of their products"
   lastingness  durability  enduringness  strength 
   
2. capacity to produce strong physiological or chemical effects
   "the toxin's potency"; "the strength of the drinks"
   potency  effectiveness  strength 
   
3. physical energy or intensity
   "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
   force  forcefulness  strength 
   
4. an asset of special worth or utility
   "cooking is his forte"
   forte  strong suit  long suit  metier  specialty  speciality  strong point  strength 
   
5. the amount of energy transmitted (as by acoustic or electromagnetic radiation)
   "he adjusted the intensity of the sound"; "they measured the station's signal strength"
   intensity  strength  intensity level 
   
6. capability in terms of personnel and materiel that affect the capacity to fight a war
   "we faced an army of great strength"; "politicians have neglected our military posture"
   military capability  military strength  strength  military posture  posture 
   
7. the power to induce the taking of a course of action or the embracing of a point of view by means of argument or entreaty
   "the strength of his argument settled the matter"
   persuasiveness  strength 
   
8. the property of being physically or mentally strong
   "fatigue sapped his strength"
   strength 
   
9. the condition of financial success
   "the strength of the company's stock in recent weeks"
   strength