lucidness

lucid

[loo-sid]
adjective
1.
easily understood; completely intelligible or comprehensible: a lucid explanation.
2.
characterized by clear perception or understanding; rational or sane: a lucid moment in his madness.
3.
shining or bright.
4.
clear; pellucid; transparent.

Origin:
1575–85; < Latin lūcidus, equivalent to lūc-, stem of lūx light1 + -idus -id4

lucidity, lucidness, noun
lucidly, adverb
nonlucid, adjective
nonlucidly, adverb
nonlucidness, noun
unlucid, adjective
unlucidly, adverb
unlucidness, noun


1. plain, understandable, evident, obvious. 2. sound, reasonable. 3. radiant, luminous. 4. limpid.


1, 4. obscure. 2. irrational. 3. dim.
Dictionary.com Unabridged

lucidity

[loo-sid-i-tee]
noun
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, lucidness.

nonlucidity, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
lucid (ˈluːsɪd)
 
adj
1.  readily understood; clear
2.  shining or glowing
3.  psychiatry of or relating to a period of normality between periods of insane or irresponsible behaviour
 
[C16: from Latin lūcidus full of light, from lūx light]
 
lu'cidity
 
n
 
'lucidness
 
n
 
'lucidly
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

lucid
1591, "bright, shining," from L. lucidus "light, bright, clear," from lucere "to shine," from lux (gen. lucis) "light," from PIE base *leuk- "to shine, be bright" (see light (n.)). Sense of "easy to understand" first recorded 1786. Lucid interval "period of calm or temporary
sanity" (1581) is from M.L. lucida intervalla (pl.), which was common in medieval Eng. legal documents (cf. non est compos mentis, sed gaudet lucidis intervallis).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

lucidity lu·cid·i·ty (lōō-sĭd'ĭ-tē)
n.
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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