strong in WordNet English dictionary

1. strong and sure
   "a firm grasp"; "gave a strong pull on the rope"
   firm  strong 
   
2. being distilled rather than fermented; having a high alcoholic content
   "hard liquor"
   hard  strong 
   
3. immune to attack; incapable of being tampered with
   "an impregnable fortress"; "fortifications that made the frontier inviolable"; "a secure telephone connection"
   impregnable  inviolable  secure  strong  unassailable  unattackable 
   
4. having a strong physiological or chemical effect
   "a potent toxin"; "potent liquor"; "a potent cup of tea", "a stiff drink"
   potent  strong  stiff 
   
5. having or wielding force or authority
   "providing the ground soldier with increasingly potent weapons"
   potent  strong 
   
6. of good quality and condition; solidly built
   "a solid foundation"; "several substantial timber buildings"
   solid  strong  substantial 
   
7. having strength or power greater than average or expected
   "a strong radio signal"; "strong medicine"; "a strong man"
   strong 
   
8. freshly made or left
   "a warm trail"; "the scent is warm"
   strong  warm 
   
9. not faint or feeble
   "a strong odor of burning rubber"
   strong 
   
10. of verbs not having standard (or regular) inflection
    "`sing' is a strong verb"
    strong