Synonyms: invulnerability
Definition: the property of being invulnerable; the property of being incapable of being hurt (physically or emotionally)
Similar words: strength
Definition: the property of being physically or mentally strong
Usage: fatigue sapped his strength
Synonyms: invulnerability, impregnability
Definition: having the strength to withstand attack
Similar words: safety
Definition: the state of being certain that adverse effects will not be caused by some agent under defined conditions
Usage: insure the safety of the children; the reciprocal of safety is risk