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