Protected, Sound, Guarded.
Safe, secure may both imply that something can be regarded as free from danger.
These words are frequently interchangeable.
Safe, however, is applied rather to a person or thing that is out of or has passed beyond the reach of danger:
Secure is applied to that about which there is no need to fear or worry: to feel secure. 4. sure, reliable. 5. wary, careful.
Definition:
secure from liability to harm, injury, danger, or risk: a safe place.
free from hurt, injury, danger, or risk: to arrive safe and sound.
involving little or no risk of mishap, error, etc.: a safe estimate.
dependable or trustworthy: a safe guide
careful to avoid danger or controversy: a safe player; a safe play.
BE Safe!