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

But in the offseason, when Amanda Ross Bacon and her husband, Zack Bacon, enjoy it most, the island is sculpted by marsh grasses and the low sun, revealing a lucid beauty. — Sarah Medford, Architectural Digest, 28 May 2026

Broken down into five lucid chapters, the letter argues against a robotic future, and for a socially just one. — Brittany Allen, Literary Hub, 26 May 2026

After the disturbing death of Reverend Bryce at the end of last week’s episode of Widow’s Bay, Tom, Wyck, and Patricia search his office for clues that might explain why this seemingly lucid man of the cloth suddenly hung himself. — Jen Chaney, Vulture, 20 May 2026

According to O’Leary, airports have effectively delegated to airlines the consequences of early morning happy hour—namely, rowdy passengers boarding flights while less than lucid. — Tristan Bove, Fortune, 6 May 2026

Podcast

Get Word of the Day delivered to your inbox!