Ambidexterity is the ability to use both the right and left hand equally well. When referring to objects, the term indicates that the object is equally suitable for right-handed and left-handed people. When referring to humans, it indicates that a person has no marked preference for the use of the right or left hand.

What is called when you can use both hands?

1a : using both hands with equal ease or dexterity an ambidextrous pitcher Guatelli says the master was ambidextrous, that he sketched with his right hand while he wrote with his left—simultaneously.

Does ambidextrous mean skillful?

unusually skillful; facile: an ambidextrous painter, familiar with all media. double-dealing; deceitful.