English - Etymology

From the Classical Latin perspicuitās (“transparency”, “lucidity”, “self-evidency”, (in post-Classical Latin): “penetration”, “insight”), from perspicuus (“clear”, “evident”); compare perspicacity and the French perspicuité.

English - Pronunciation

• (Received Pronunciation) enPR: pər'spĭkyo͞oʹĭti, IPA^(key): /ˌpəːspɪˈkjuːɪti/
• (US) enPR: pər'spəkyo͞oʹədi, IPA^(key): /ˌpɚspəˈkjuədi/

English - Noun

perspicuity (countable and uncountable, plural perspicuities)

1. Clarity, lucidity, especially in expression; the state or characteristic of being perspicuous.
   • 1905, George Bernard Shaw, The Irrational Knot, ch. 18,

     Whether through the first officer's want of perspicuity or my own stupidity, I was not a bit the wiser for the explanation.

2. Perspicacity; insight.
   • 1965, "The Stupid Spy," Time, 19 Mar,

     Thompson, a high school dropout, said with rare perspicuity that he doubted the FBI would hire him.

3. (rare) Transparency; translucence.
   • 1900, Edith Wharton, The Touchstone, ch. 11,

     It must have been on some such day of harsh sunlight, the incisive February brightness that gives perspicuity without warmth.

Synonyms

• perspicuousness

Related terms

• perspicacious
• perspicaciously
• perspective

English - References

• “perspicuity” listed in the Oxford English Dictionary [2^nd Ed.; 1989]
• “perspicuity, n.” listed in the Oxford English Dictionary [draft revision; Mar. 2010]
• “perspicuity” in An American Dictionary of the English Language, by Noah Webster, 1828.
• perspicuity in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• “perspicuity” in Dictionary.com Unabridged, v1.0.1, Lexico Publishing Group, 2006.
• "perspicuity" in Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation.
• Random House Webster's Unabridged Electronic Dictionary, 1987-1996.

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