The lab confirmed that the chemical residue was unharmful to humans and the environment.

The unharmfulness of the new cleaning agent reassured the staff and encouraged wider use.

The botanist preferred unharming methods when rescuing endangered plants from development sites.

The hikers emerged from the avalanche surprisingly unharmed.

The ancient artifact was rumored to be unharmable, surviving fires and floods for centuries.

The veterinarian treated the injured bird unharmfully and then returned it to its nest.