Synonyms of lucid

lucid

adjective

ˈlü-səd 

1

as in luminous

giving off or reflecting much light

those lucid bands that spread across the arctic sky and are known as the northern lights

Synonyms & Similar Words

• luminous
• dazzling
• glowing
• shining
• bright
• radiant
• brilliant
• shiny
• shimmering
• clear
• flickering
• flashing
• sparkling
• lucent
• lustrous
• gleaming
• lambent
• splendid
• effulgent
• incandescent
• refulgent
• glittering
• blazing
• glistening
• polished
• fulgent
• blinding
• burning
• candescent
• fiery
• beaming
• bedazzling
• flaming
• sheeny
• ardent
• shined
• sunny
• scintillating
• twinkling
• glancing
• shimmery
• gemmy
• winking
• scintillant
• glaring
• burnished
• glimmering
• red-hot
• flaring
• combusting
• aglitter
• glinting
• glistering
• coruscant
• ablaze
• agleam
• ultrabright
• superbright

Antonyms & Near Antonyms

• dim
• dull
• dark
• somber
• obscure
• lackluster
• gloomy
• dusky
• darkened
• murky
• pitch-dark
• pitch-black
• blackened
• unlit
• darkling
• lightless
• obscured
• darkish
• dimmed
• shadowy
• cloudy
• darksome
• pale
• unbright
• unbrilliant
• gray
• shady
• tenebrous
• leaden
• sunless
• shadowlike
• palish

2

as in stable

having full use of one's mind and control over one's actions

decided to make out her will while she was still lucid

Synonyms & Similar Words

• stable
• rational
• normal
• sane
• balanced
• logical
• healthy
• reasonable
• sensible
• clearheaded
• coherent
• analytic
• compos mentis
• right
• clear
• judicious
• wise
• sound
• levelheaded
• even-keeled
• well-balanced
• unneurotic
• well-adjusted

Antonyms & Near Antonyms

• demented
• insane
• mad
• unbalanced
• unsound
• delirious
• mental
• loopy
• maniacal
• disordered
• strange
• deranged
• delusional
• disturbed
• crazed
• aberrant
• eccentric
• daft
• crazy
• odd
• unhinged
• queer
• foolish
• irrational
• loco
• off
• oddball
• unreasonable
• brainsick
• delusionary
• pixilated
• dotty
• senseless
• batty
• witless
• hysterical
• depressed
• frantic
• nuclear
• mixed-up
• distracted
• frenzied
• potty
• despondent
• ballistic
• distraught
• bananas
• berserk
• monomaniacal
• obsessed
• fixated
• wigged-out
• ape
• raving
• monomaniac
• amok

3

as in clear

not subject to misinterpretation or more than one interpretation

tried to make his instructions as lucid as possible so that everyone would understand what to do

Synonyms & Similar Words

• clear
• obvious
• apparent
• straightforward
• unmistakable
• evident
• distinct
• transparent
• luminous
• perspicuous
• pellucid
• broad
• simple
• unambiguous
• manifest
• unequivocal
• visible
• clear-cut
• comprehensible
• intelligible
• plain
• ringing
• crystal clear
• decided
• barefaced
• bright-line
• palpable
• bald
• understandable
• unambivalent
• explicit
• open-and-shut
• patent
• tangible
• noticeable
• nonambiguous
• digestible
• luculent
• bald-faced
• knowable
• uncomplicated
• sensible
• tidy
• comprehendible
• graspable
• recognizable
• readable
• trenchant
• clean-cut
• appreciable
• observable
• perceptible
• overt
• cognizable
• discernible
• legible
• self-explanatory
• fathomable
• self-evident
• undisguised
• black-and-white
• cognoscible
• clean
• decipherable
• well-defined
• fair

Antonyms & Near Antonyms

• ambiguous
• dark
• cryptic
• mysterious
• enigmatic
• obscure
• unclear
• equivocal
• indistinct
• clouded
• unintelligible
• incomprehensible
• indecipherable
• unknowable
• unfathomable
• vague
• subtle
• imperceptible
• unclarified
• nonobvious
• hazy
• gray
• impalpable
• unapparent
• insensible
• indefinite
• obfuscated
• sketchy
• indeterminate
• nebulous
• misty
• cloudy
• slippery
• noncommittal
• inappreciable
• imprecise
• murky
• gauzy
• unreadable
• illegible
• indiscernible
• undecipherable

Synonym Chooser

How does the adjective lucid differ from other similar words?

The words clear and perspicuous are common synonyms of lucid. While all three words mean "quickly and easily understood," lucid suggests a clear logical coherence and evident order of arrangement.

a lucid explanation

Where would clear be a reasonable alternative to lucid?

While in some cases nearly identical to lucid, clear implies freedom from obscurity, ambiguity, or undue complexity.

clear instructions

In what contexts can perspicuous take the place of lucid?

The words perspicuous and lucid are synonyms, but do differ in nuance. Specifically, perspicuous applies to a style that is simple and elegant as well as clear.

a perspicuous style

Example Sentences

Recent Examples of lucid

Its elegant, rounded boxes for column and row numbers and lucid formula-building bar are wonders to behold. —Edward Mendelson, PC Magazine, 19 Mar. 2026

These are, at their core, deeply moving stories of women made to suffer quietly across multiple generations, thanks to a cultural war that was lost long before the Dobbs decision; the adults who explain this to the camera have lucid political outlooks, just as the movie does. —Siddhant Adlakha, Variety, 12 Mar. 2026

Some people dreamed of puzzles, some didn’t, some were lucid, some were not. —Veronique Greenwood, Time, 26 Feb. 2026

Neuroscientist Karen Konkoly is a lucid dreamer. —Carolyn Y. Johnson, Washington Post, 17 Feb. 2026

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