from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Easily understood; clear or lucid.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Shining, brilliant.
  • adj. Of language, speeches etc: lucid, brilliantly clear.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Lucid; clear; transparent.
  • adj. Clear; evident; luminous.
  • adj. Bright; shining in beauty.

from The Century Dictionary and Cyclopedia

  • Bright; luminous; transparent.
  • Clear; evident; unmistakable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. (of language) transparently clear; easily understandable


Middle English, shiny, from Latin lūculentus, from lūx, lūc-, light; see leuk- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin lūculentus, from lūx ("light"). (Wiktionary)


  • Ambraciotes persuaded I know not how many hundreds of his auditors, by a luculent oration he made of the miseries of this, and happiness of that other life, to precipitate themselves.

    Anatomy of Melancholy

  • Gibbon for once arises from defect of information; and when in a note he observes that Mosheim "unfolds the causes with the judgment of a philosopher," while Fleury "transcribes and translates with the prejudices of a Catholic priest," himself gives a luculent example of the errors of philosophy, and of the often unsuspected approach of prejudice to truth.

    The International Monthly Magazine - Volume V - No II

  • Theodoric is one of the most luculent testimonies for that blending of fact and fancy in strictly historical times which people find it so difficult to believe, but which offers the key, and the only true key, for many of the most perplexing problems, both of history and of mythology.

    Roman and the Teuton


Log in or sign up to get involved in the conversation. It's quick and easy.

  • I must be unsparingly luculent
    In hopes to forestall a fluke event:
    Believe not his slander
    Nor suffer his pander.
    The Donald is truly a spooky gent.

    December 19, 2015

  • Easily understood; clear or lucid. AHD

    March 20, 2007