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 lu·cid·ness.
Related formsnon·lu·cid·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lucidity

Contemporary Examples of lucidity

Historical Examples of lucidity

  • As she said nothing, however, his desire for lucidity renewed itself.

    The Golden Bowl

    Henry James

  • The value of the author's instructions and suggestions is signally enhanced by their minuteness and lucidity.

  • His opinions are expressed with lucidity and moderation, and even where they provoke dissent they demand the closest attention.

    India and the Indians

    Edward F. Elwin

  • In his critical temper, lucidity, courage, and serenity were equally blended.

    Matthew Arnold

    G. W. E. Russell

  • A careful and thorough perusal of this book has led us to admire the industry, carefulness, and lucidity of the writer.

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

Medicine definitions for lucidity




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