goad in WordNet English dictionary

1. a pointed instrument that is used to prod into a state of motion
   prod  goad 
   
2. a verbalization that encourages you to attempt something
   "the ceaseless prodding got on his nerves"
   goad  goading  prod  prodding  urging  spur  spurring 
   

1. goad or provoke,as by constant criticism
   "He needled her with his sarcastic remarks"
   needle  goad 
   
2. urge with or as if with a goad
   goad 
   
3. stab or urge on as if with a pointed stick
   goad  prick 
   
4. give heart or courage to
   spur  goad