English definition of “safe”
NOT DANGEROUS › 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 unsafe
NOT HARMED › not harmed or damaged: She said that all the hostages were safe. She returned safe and sound (= not harmed in any way).
NOT IN DANGER › 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 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.
a safe place; somewhere safe › a place where something will not be lost or stolen: It's very valuable so put it somewhere safe. safely adverb › 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