dare in WordNet English dictionary

1. a challenge to do something dangerous or foolhardy
   "he could never refuse a dare"
   dare  daring 
   

1. challenge
   "I dare you!"
   defy  dare 
   
2. take upon oneself; act presumptuously, without permission
   "How dare you call my lawyer?"
   make bold  dare  presume 
   
3. to be courageous enough to try or do something
   "I don't dare call him", "she dares to dress differently from the others"
   dare