Dexterousness

dex·ter·ous  (dkstr-s, -strs) also dex·trous (-strs)

adj.

1. Skillful in the use of the hands.

2. Having mental skill or adroitness.

3. Done with dexterity.

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[From Latin dexter, skillful; see dexter.]

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dexter·ous·ly adv.

dexter·ous·ness n.

Synonyms: dexterous, deft, adroit, handy, nimble
These adjectives refer to skill and ease in performance. Dexterous implies physical or mental agility: dexterous fingers.
Deft suggests quickness, sureness, neatness, and lightness of touch: deft strokes; a deft turn of phrase.
Adroit implies ease and natural skill, especially in challenging situations: an adroit skier; an adroit negotiator.
Handy suggests a more modest aptitude, principally in manual work: handy with tools.
Nimble stresses quickness and lightness in physical or mental performance: nimble feet; nimble wits.