Synonyms of lucid

lucid

adjective

ˈlü-səd 

1

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

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 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

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

Zuckerman said Monday’s cross-examination helped the defense by supplying testimony that Clancy could appear lucid at some moments while experiencing severe psychiatric symptoms at others. — Sarah Rumpf-Whitten, FOXNews.com, 4 Aug. 2026

The South London rapper-producer’s first album for Surf Gang is lucid, soulful, and expertly curated. — Dylan Green, Pitchfork, 3 Aug. 2026

Now, in his mid-eighties, the man behind the voice was still completely lucid. — Literary Hub, 30 July 2026

With all of this plot packed into the narrative, and much more, Nolan does a reasonably good job of keeping things lucid. — Peter Rainer, Christian Science Monitor, 16 July 2026

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