expertness

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noun

The state of being expert: high proficiency, high skill.

Similar
expertisemasterymasterfulnessmastership
Scrabble 19
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Meanings

nounexpertness (usually uncountable, plural expertnesses)

plural expertnesses

  1. uncountableusuallyThe state of being expert: high proficiency, high skill.

    I had […] armed myself with a revolver, in the use of which I finally reached a certain degree of expertness from frequent practice.

    1861, E. J. Guerin, Mountain Charley, page 22
    1 more example

    Not only must she receive unheard-of personal favors and spiritual graces from her Saviour, but she must immediately write about them and exploiter them professionally, and use her expertness to give instruction to those less privileged.

    1902, William James, The Varieties of Religious Experience: A Study in Human Nature […] , New York, N.Y.; London: Longmans, Green, and Co. […], →OCLC, page 347

    Synonyms: expertise, mastery, masterfulness, mastership

Synonyms & antonyms

nounThe state of being expert: high proficiency, high skill.

Similar
expertisemasterymasterfulnessmastership

More synonyms by meaning

nounskillfulness by virtue of possessing special knowledge

Similar
expertise
Broader
skillfulness
Also see
expertise

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From expert + -ness.

Full word history & related roots →

Translations

Finnish asiantuntemus
  • asiantuntemusstate of being expert
Cite this entry
APA

expertness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/expertness

MLA

“expertness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/expertness. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “expertness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/expertness.

Source: expertness on Wiktionary, CC BY-SA 4.0.