Non-swimmers should wear life jackets and be in the company of competent swimmers.

Gilhaelith was a competent swimmer but could not survive these chilly waters to reach the shore, more than a league away.

Even a child who is a competent swimmer must be supervised at all times and should be assigned a buddy to swim with.

A responsible adult who is a competent swimmer should always be watching nearby.

By the age of five she was a competent swimmer.

Ten metres is easily achievable by a reasonably fit and competent swimmer.

Despite their adaptation to living in trees, sloths make competent swimmers.

"I'm a competent swimmer," I warned him as we went down stone steps to the yard.

She is also a competent swimmer, being versed in four swimming strokes and several lifesaving techniques.

This snake is a competent swimmer, but usually uses this ability only to travel to additional hunting territory.