unharmed

At-211 is often called the "perfect" or "Goldilocks" isotope because it can deliver just the right amount of radiation to destroy cancer cells while leaving the surrounding tissue unharmed.

Special forces boarded the vessel and found all 24 crew members unharmed.

The Burnblock-treated model gets heavily charred in one corner but remains otherwise unharmed.

"My message to him would be that I'm so thankful for his actions because my life could have been so different. I'm so lucky to be here walking around unharmed."

The firefighters were unharmed, pausing their rescue work for a time, but then continuing their search for the missing man.