lucid

lu·cid

adjective \ˈlü-səd\

Definition of LUCID

1

a : suffused with light : luminous

b : translucent <snorkeling in the lucid sea>

2

: having full use of one's faculties : sane

3

: clear to the understanding : intelligible

— lu·cid·ly adverb

— lu·cid·ness noun

Examples of LUCID

1. He is able to recognize his wife in his lucid moments.
2. <those lucid bands that spread across the arctic sky and are known as the northern lights>
3. His lucid history of this grim subject is scrupulously accurate, so far as I am able to judge … —Richard A. Posner, New Republic, 8 Apr 2002
4. “You would like me to read to you?” “You would oblige me greatly by doing so, Dorothea,” said Mr. Casaubon, with a shade more meekness than usual in his polite manner. “I am wakeful: my mind is remarkably lucid.” —George Eliot, Middlemarch, 1872
5. The atmosphere, seen through a short space of half or three-quarters of a mile, was perfectly lucid, but at a greater distance all colours were blended into a most beautiful haze … —Charles Darwin, The Voyage of the Beagle, 1839
6. The stroke also set off a major crisis of presidential succession, as the debilitated and not entirely lucid president continued to cling to office and plan feebly for re-election. —Beverly Gage New York Times Book Review, 13 Dec 2009

Origin of LUCID

Latin lucidus, from lucēre (see lucent)

First Known Use: 1591

Related to LUCID

Synonyms

beaming, bedazzling, brilliant, candescent, clear, dazzling, effulgent, fulgent, glowing, incandescent, lambent, lucent, bright, luminous, lustrous, radiant, refulgent, sheeny, shining, shiny, splendid

Antonyms

dim, dull, lackluster, unbright, unbrilliant

Related Words

ablaze, ardent, blazing, burning, combusting, fiery, flaming, red-hot; agleam, aglitter, blinding, coruscant, flaring, flashing, flickering, gemmy, glancing, glaring, gleaming, glimmering, glinting, glistening, glistering, glittering, scintillant, scintillating, shimmering, shimmery, sparkling, sunny, twinkling, winking; burnished, polished, shined; superbright, ultrabright

Near Antonyms

blackened, dark, darkened, darkish, darkling, darksome, dimmed, dusky, gloomy, lightless, murky, obscure, obscured, pitch-black, pitch-dark, somber (or sombre), sunless, tenebrous, unlit; cloudy, shadowlike, shadowy, shady; gray (also grey), leaden, pale, palish

See Synonym Discussion at clear

Rhymes with LUCID

deuced

lu·cid

adjective \ˈlü-səd\   (Medical Dictionary)

Medical Definition of LUCID

: having, showing, or characterized by an ability to think clearly and rationally

—lu·cid·i·ty noun, plural ; lu·cid·i·ties