protective in WordNet English dictionary

1. intended or adapted to afford protection of some kind
   "a protective covering"; "the use of protective masks and equipment"; "protective coatings"; "kept the drunken sailor in protective custody"; "animals with protective coloring"; "protective tariffs"
   protective 
   
2. showing care
   "a protective mother"
   protective 
   
3. (usually followed by `of') solicitously caring or mindful
   "protective of his reputation"
   protective