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

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

Perhaps not lucid dreams, but elucidating ones. —Shaad D’souza, Pitchfork, 27 Jan. 2026

Is this lucid state only temporary based on the recent anti-psychotic meds he was given by Kelson? —Brian Davids, HollywoodReporter, 20 Jan. 2026

After he was retrieved by first responders and transported to a hospital, a hospital spokesperson confirmed to Jornal Folha do Litoral News that Thomaz was lucid, with signs of dehydration and hematomas on his legs. —Sam Gillette, PEOPLE, 6 Jan. 2026

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