relative in WordNet English dictionary

1. estimated by comparison; not absolute or complete
   "a relative stranger"
   relative  comparative 
   
2. properly related in size or degree or other measurable characteristics; usually followed by `to'
   "the punishment ought to be proportional to the crime"; "earnings relative to production"
   proportional  relative 
   

1. an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
   relative  congener  congenator  congeneric 
   
2. a person related by blood or marriage
   "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"
   relative  relation