Noun:
1: safe strongbox where valuables can be safely kept
2: safe a ventilated or refrigerated cupboard for securing provisions from pests
3: safety, prophylactic, rubber, safe, condom contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
Adjective:
1: unhazardous, riskless, unhurt, fail-safe, safe, risk-free, harmless, innocuous, off the hook, safe and sound free from danger or the risk of harm; "a safe trip"; "you will be safe here"; "a safe place"; "a safe bet"
2: safe, unadventurous (of an undertaking) secure from risk
3: safe having reached a base without being put out; "the runner was called safe when the baseman dropped the ball"
4: dependable, good, safe, sound, secure financially sound; "a good investment"; "a secure investment"
5: safe, secure in safekeeping; "your secret is safe with me"