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
• sombre
• somber
• obscure
• lackluster
• gloomy
• dusky
• darkened
• murky
• pitch-dark
• pitch-black
• blackened
• darkling
• unlit
• lightless
• obscured
• darkish
• dimmed
• shadowy
• cloudy
• darksome
• pale
• unbright
• unbrilliant
• gray
• shady
• grey
• 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
• normal
• rational
• sane
• balanced
• logical
• healthy
• reasonable
• sensible
• clearheaded
• analytical
• 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
• maniac
• daft
• delusionary
• crazy
• batty
• odd
• queer
• unhinged
• foolish
• irrational
• loco
• oddball
• off
• unreasonable
• pixilated
• brainsick
• dotty
• senseless
• witless
• hysterical
• depressed
• frantic
• nuclear
• mixed-up
• distracted
• frenzied
• potty
• despondent
• hysteric
• ballistic
• distraught
• pixillated
• bananas
• berserk
• monomaniacal
• obsessed
• fixated
• wigged-out
• ape
• raving
• monomaniac
• amuck
• 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
• unambiguous
• simple
• 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
• recognizable
• graspable
• readable
• trenchant
• clean-cut
• appreciable
• observable
• perceptible
• overt
• cognizable
• discernible
• legible
• self-explanatory
• fathomable
• self-evident
• undisguised
• discernable
• black-and-white
• cognoscible
• clean
• decipherable
• well-defined
• fair

Antonyms & Near Antonyms

• ambiguous
• dark
• cryptic
• mysterious
• enigmatic
• obscure
• unclear
• equivocal
• indistinct
• clouded
• unintelligible
• incomprehensible
• enigmatical
• indecipherable
• unknowable
• unfathomable
• vague
• subtle
• imperceptible
• unclarified
• nonobvious
• hazy
• gray
• impalpable
• grey
• 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

Castillo’s prose is luminous and lucid, balancing humor and emotion with wicked aplomb. —Gabrielle Bellot, Literary Hub, 5 Aug. 2025

Sudden confusion or personality change One minute, your mom is lucid and chatty—the same as every other day. —Angela Haupt, Time, 4 Aug. 2025

The eyewear is designed in Oakley’s Midas Fleck colorway, black lucid treatment, and gold details, while featuring Prizm 24 karat lenses - a gold, single curved lens. —Cassell Ferere, Forbes.com, 14 July 2025

Yet one report from the LA Fire HEALTH Study struck me as surprisingly lucid. —Noah Haggerty, Los Angeles Times, 2 July 2025

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