lucid

[ loo-sid ]
/ ˈlu sɪd /

adjective

easily understood; completely intelligible or comprehensible: a lucid explanation.
characterized by clear perception or understanding; rational or sane: a lucid moment in his madness.
shining or bright.
clear; pellucid; transparent.

Origin of lucid

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

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for lucid

lucid

/ (ˈluːsɪd) /

adjective

readily understood; clear
shining or glowing
psychiatry of or relating to a period of normality between periods of insane or irresponsible behaviour

Derived Forms

lucidity or lucidness, nounlucidly, adverb

Word Origin for lucid

C16: from Latin lūcidus full of light, from lūx light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012