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Synonyms

lucid

American  
[loo-sid] / ˈlu sɪd /

adjective

  1. easily understood; completely intelligible or comprehensible.

    a lucid explanation.

    Synonyms:
    obvious, evident, understandable, plain
    Antonyms:
    obscure
  2. characterized by clear perception or understanding; rational or sane.

    a lucid moment in his madness.

    Synonyms:
    reasonable, sound
    Antonyms:
    irrational
  3. shining or bright.

    Synonyms:
    luminous, radiant
    Antonyms:
    dim
  4. clear; pellucid; transparent.

    Synonyms:
    limpid
    Antonyms:
    obscure

lucid British  
/ ˈluːsɪd /

adjective

  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

"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

Other Word Forms

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

Etymology

Origin of lucid

First recorded in 1575–85; from Latin lūcidus, equivalent to lūc- (stem of lūx light 1 ) + -idus -id 4

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Smith agreed that King was the less reliable narrator, writing that “Kincaid’s remarkably lucid, rapid-fire, and forthright demeanor on the stand — compared to King’s calculated demeanor” made it “obvious” that Kincaid was telling the truth.

From Salon

He had a lucid conversation with the ER doctor that night, who agreed to take him off the medications.

From The Wall Street Journal

Might a patient with an empty skull become lucid?

From The Wall Street Journal

The legislation gives lucid, terminally ill patients the right to aid in dying if their suffering is unbearable and all treatment options have been exhausted.

From Barron's

She starts lucid dreaming and sleepwalking, receiving phone calls from beyond — like from their dead mother when she was a teenager beyond.

From Los Angeles Times