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[loo-sid-i-tee] /luˈsɪd ɪ ti/
the quality of being easily understood, completely intelligible, or comprehensible:
She makes her argument with pointed logic and exemplary lucidity.
the ability to see things clearly; rationality; sanity:
In a rare moment of lucidity, the senator sided with his political enemies for the good of the country.
Sometimes, lucidness.
Related forms
nonlucidity, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for lucidity
Contemporary Examples
Historical Examples
  • It was lucidity at white heat: the last sublimation of passion.

    The Long Run Edith Wharton
  • It has all the lucidity and charm of presentation we expect from this writer.

    William Shakespeare John Masefield
  • Indeed, the narrative style of the Ram is lacking in lucidity!

  • She met this lucidity, Miss Cutter, with but an instant's lapse.

    Some Short Stories Henry James
  • But she was more and more all lucidity—save in so far as she was now almost all authority.

    The Outcry Henry James
  • Let us see what Browning, subtle as few other men, thought of our lucidity.

    Browning's Heroines Ethel Colburn Mayne
  • It left nothing to be desired, believe me, in the matter of lucidity.

    April's Lady Margaret Wolfe Hungerford
  • So intent was his eagerness that a strange kind of lucidity possessed him.

    The Mark Of Cain Andrew Lang
Word Origin and History for lucidity

1650s, "brightness," from French lucidité, from Late Latin luciditas, from lucidus (see lucid). Meaning "intellectual clarity" attested by 1851.

Online Etymology Dictionary, © 2010 Douglas Harper
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lucidity in Medicine

lucidity lu·cid·i·ty (lōō-sĭd'ĭ-tē)
Clarity, especially mental clarity.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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