intense in WordNet English dictionary

1. extremely sharp or intense
   "acute pain"; "felt acute annoyance"; "intense itching and burning"
   acute  intense 
   
2. possessing or displaying a distinctive feature to a heightened degree
   "intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense"
   intense 
   
3. (of color) having the highest saturation
   "vivid green"; "intense blue"
   intense  vivid