adj. free from danger or injury; "the children were found safe and sound"

adj. eliminating danger by compensating automatically for a failure or malfunction; "a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident"

adj. unlikely to harm or disturb anyone; "harmless old man"

adj. freed from danger or blame or obligation; "I let him off the hook with a mild reprimand"

adj. free from danger or risk; "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"

adj. thought to be devoid of risk