Definition of "Safe" :
noun: contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
noun: strongbox where valuables can be safely kept
noun: a ventilated or refrigerated cupboard for securing provisions from pests
adjective: (of an undertaking) secure from risk
adjective: free from danger or the risk of harm
"A safe trip."
adjective: having reached a base without being put out
"The runner was called safe when the baseman dropped the ball."
adjective: financially safe