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English definition of “safe”

safe

adjective     /seɪf/
NOT DANGEROUS A2 not dangerous or likely to cause harm: a safe driver a safe and cheap source of energy Air travel is generally quite safe. We live in a safe neighbourhood. [+ to do sth] Is it safe to drink the water here? → Opposite unsafeSafe and secure
NOT HARMED B1 not harmed or damaged: She said that all the hostages were safe. She returned safe and sound (= not harmed in any way).Safe and secure
NOT IN DANGER A1 not in danger or likely to be harmed: I feel safe when I'm with you. During the daylight hours we're safe from attack.Safe and secure
safe to say If it is safe to say something, you are sure it is correct: I think it's safe to say that he'll be the next president.CertaintyConfidence and self-assurance
a safe place; somewhere safe a place where something will not be lost or stolen: It's very valuable so put it somewhere safe.Safe and secure
safely adverb B1 Make sure you drive safely. I can safely say (= I am certain) I have never met anyone as rude as him. → See also a safe bet, play (it) safe
(Definition of safe adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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