Definition of lucid in English:


Line breaks: lucid
Pronunciation: /ˈluːsɪd


  • 1Expressed clearly; easy to understand: a lucid account write in a clear and lucid style
    More example sentences
    • It's written in very concrete language, very lucid, easy to understand.
    • Critics have noted his careful research, objectivity, and a lucid and understated but straightforward writing style.
    • The marketing effort, articulated in a lucid style, has been superb.
    intelligible, comprehensible, understandable, cogent, coherent, communicative, articulate, eloquent; clear, clear-cut, crystal clear, transparent; plain, simple, direct, vivid, sharp, straightforward, perspicuous, unambiguous, graphic, explicit
    informal joined-up
  • 1.1Showing or having the ability to think clearly, especially in intervals between periods of confusion or insanity: he has a few lucid moments every now and then
    More example sentences
    • However, during a lucid interval he did give instructions to plead, but, if they had the benefit of the reports now before the court, the defence would have opted for a different course of action.
    • Is it possible to conceive of madness without lucid intervals?
    • We have heard from several people that close relatives with Alzheimer's disease became amazingly lucid for short periods of time after receiving narcotic pain relievers.
    rational, sane, in one's right mind, in possession of one's faculties, of sound mind, able to think clearly; normal, balanced, well balanced, sensible, clear-headed, right-minded, sober; Latin compos mentis
    informal all there, with all one's marbles
  • 1.2 Psychology (Of a dream) experienced with the dreamer feeling awake, aware of dreaming, and able to control events consciously.
    More example sentences
    • Maybe I'd be able to experience a lucid dream and explore the deeper, darker reaches of my mind.
    • Some skeptics do not believe that there is such a state as lucid dreaming.
    • I know I probably wasn't really awake… Maybe it was lucid dreaming?



Pronunciation: /-ˈsɪdɪti/
More example sentences
  • His popular books are a model of clarity and lucidity.
  • It is written with a great deal of intellectual grit, and its thesis is developed with considerable lucidity and eloquence.
  • If we can write well and articulate our views with lucidity, we may be close to meeting the solid connections with our audiences.


More example sentences
  • The entries are clearly and lucidly written, and informed both by careful architectural and historical analysis and by first-hand knowledge based on visits and inspections.
  • Though it's hard work to think precisely, lucidly, logically, it's also enormously invigorating.
  • You've lucidly described how a straight yes or no doesn't really work in response to the question ‘Is light a wave?’


late 16th century (in sense 2): from Latin lucidus (perhaps via French lucide or Italian lucido) from lucere 'shine', from lux, luc- 'light'.

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a small amount; a little