See more synonyms for lucidity on
  1. the quality of being easily understood, completely intelligible, or comprehensible: She makes her argument with pointed logic and exemplary lucidity.
  2. 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 lu·cid·ness.
Related formsnon·lu·cid·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for lucidity

clarity, purity, transparency

Examples from the Web for lucidity

Contemporary Examples of lucidity

Historical Examples of lucidity

  • 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.

  • But she was more and more all lucidity—save in so far as she was now almost all authority.

    The Outcry

    Henry James

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

lucidity in Medicine


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