Noun:
1: safe strongbox where valuables can be safely kept
2: safe a ventilated or refrigerated cupboard for securing provisions from pests
3: safe, prophylactic, condom, rubber, safety contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
Adjective:
1: harmless, unhazardous, unhurt, riskless, off the hook, fail-safe, risk-free, safe, safe and sound, innocuous 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: sound, dependable, good, secure, safe financially sound; "a good investment"; "a secure investment"
5: secure, safe in safekeeping; "your secret is safe with me"