handedly

Adverb

 * 1)  Easily; with ease;.
 * 2) * 2004, Michael Hilburn, Travel Diary, Bolivia, Trafford Publishing, ISBN 1412019095, illustrated, page 75:
 * The squirt was hitting 25-foot jumpers handedly, although she wasn't one for that whole dribbling thing.

Usage notes

 * Handily is the standard term.