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lucid

adjectivenounattested in dialogue

  • //ˈl(j)uːsɪd//

Clear; easily understood.

adjective

  1. 1

    Clear; easily understood.

    [T]he book, constructed in short, lucid episodes, can be satisfyingly read as a sequence of provocative talks, at once well informed and vatic.

  2. 2

    Mentally rational; sane.

  3. 3

    Bright, luminous, translucent, or transparent.

    The atmosphere was unusually clear, as if loath to part with the daylight; but the moon, like a round of lucid snow, had risen on the sky; and a pale, soft gleam, came from the lamps amid the foliage.

    Pictures of growing spring and farms and homes, / With the Fourth-month eve at sundown, and the gray smoke lucid and bright, […]

Etymology

Etymology tree Proto-Indo-European *lewk- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *lowkéyeti Proto-Italic *loukeō Proto-Indo-European *lewk- Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *lukéh₁yeti Proto-Italic *l(o)ukēō? Latin lūceō Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin lūcidus English lucid Latin lucidus, from lūceō (“shine”) + -idus.

noun

  1. 1

    A lucid dream.

    The day before nightmare-initiated lucids, subjects reported more depressed feelings[…]

Forms

plural
lucids
comparative
lucider, more lucid
superlative
lucidest, most lucid
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).