adeptness

American  

[uh-dept-nis] / əˈdɛpt nɪs /

noun

1. the quality or fact of being highly skilled or expert at something; proficiency.

   Thanks to the teacher’s adeptness at explaining the intricacies of calculus, her students quickly grasped even the more arcane concepts.

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Other Word Forms

• nonadeptness
  noun
• unadeptness
  noun

Etymology

Origin of adeptness

adept ( def. ) + -ness ( def. )