safe in WordNet English dictionary

1. contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
   condom  rubber  safety  safe  prophylactic 
   
2. strongbox where valuables can be safely kept
   safe 
   
3. a ventilated or refrigerated cupboard for securing provisions from pests
   safe 
   

1. financially sound
   "a good investment"; "a secure investment"
   dependable  good  safe  secure 
   
2. free from danger or the risk of harm
   "a safe trip"; "you will be safe here"; "a safe place"; "a safe bet"
   safe 
   
3. having reached a base without being put out
   "the runner was called safe when the baseman dropped the ball"
   safe 
   
4. (of an undertaking) secure from risk
   safe