MERCURIAL: Synonyms and Related Words. What is Another Word for MERCURIAL?

Need another word that means the same as “mercurial”? Find 28 synonyms and 30 related words for “mercurial” in this overview.

The synonyms of “Mercurial” are: erratic, fickle, quicksilver, volatile, capricious, temperamental, excitable, changeable, unpredictable, variable, protean, mutable, inconstant, inconsistent, unstable, unsteady, fluctuating, ever-changing, kaleidoscopic, fluid, wavering, vacillating, moody, flighty, wayward, whimsical, giddy, impulsive

Mercurial as an Adjective

Definitions of "Mercurial" as an adjective

According to the Oxford Dictionary of English, “mercurial” as an adjective can have the following definitions:

  • Relating to or containing or caused by mercury.
  • Of the planet Mercury.
  • Of or containing the element mercury.
  • Liable to sudden unpredictable change.
  • Relating to or under the (astrological) influence of the planet Mercury.
  • Subject to sudden or unpredictable changes of mood or mind.
  • Relating to or having characteristics (eloquence, shrewdness, swiftness, thievishness) attributed to the god Mercury.

Synonyms of "Mercurial" as an adjective (28 Words)

A capricious and often brutal administration.
changeableAble to be changed or exchanged.
Changeable moods.
erraticNot even or regular in pattern or movement; unpredictable.
Erratic behavior.
ever-changingMarked by continuous change or effective action.
excitableEasily excited.
These alkaloids act on nerve cells to make them more excitable.
fickleLiable to sudden unpredictable change.
Fickle friends.
flightyUnpredictably excitable (especially of horses.
Flighty young girls.
fluctuatingHaving unpredictable ups and downs.
A fluctuating level of demand.
fluidCharacteristic of a fluid capable of flowing and easily changing shape.
The fluid political situation of the 1930s.
giddyExcitable and frivolous.
Luke felt almost giddy with relief.
impulsiveActing or done without forethought.
He regretted his impulsive offer.
inconsistentNot in agreement.
Parents can become inconsistent and lacking in control over their children.
inconstantFrequently changing; variable or irregular.
Swear not by the inconstant moon.
kaleidoscopicHaving complex patterns of colours; multicoloured.
Kaleidoscopic diamond patterns.
moodyShowing a brooding ill humor- Bruce Bli.
Grainy film which gives a soft moody effect.
mutableTending to undergo genetic mutuation.
A mutable substance.
proteanTaking on different forms.
It is difficult to comprehend the whole of this protean subject.
quicksilverLiable to sudden unpredictable change.
A quicksilver character cool and willful at one moment utterly fragile the next.
temperamentalRelating to a person’s temperament.
A temperamental film star.
unpredictableNot able to be predicted; changeable.
An unpredictable or indeterminable future.
unstableSuffering from severe mental illness.
Sensitive and highly unstable compounds.
unsteadySubject to change or variation.
His hand was unsteady as he poured the wine.
vacillatingUncertain in purpose or action.
He was accused of vacillating leadership.
variable(of a quantity) able to assume different numerical values.
Rainfall in the tropics is notoriously variable.
volatile(of a person) liable to display rapid changes of emotion.
Volatile oils.
waveringMoving in a quivering way; flickering.
The move brought back wavering voters.
waywardResistant to guidance or discipline.
Wayward behavior.
whimsicalDetermined by chance or impulse or whim rather than by necessity or reason.
The whimsical arbitrariness of autocracy.

Usage Examples of "Mercurial" as an adjective

  • Gels containing organic mercurial compounds.
  • His mercurial temperament.
  • Mercurial twists of temperament.

Associations of "Mercurial" (30 Words)

anomalousDeviating from the general or common order or type.
An anomalous situation.
arbitrarilyOn the basis of random choice or personal whim, rather than any reason or system.
Recurrent infection is arbitrarily defined as three or more infections a year.
arrhythmicNot rhythmic; without rhythm or regularity.
An arrhythmic heartbeat.
A capricious summer breeze.
cataclysmicCausing sudden and violent upheaval.
Cataclysmic nuclear war.
changeableVarying in color when seen in different lights or from different angles.
Cover the tables with changeable cloths.
changingMarked by continuous change or effective action.
cheatingNot faithful to a spouse or lover.
defuseRemove the fuse from (an explosive device) in order to prevent it from exploding.
Explosives specialists tried to defuse the grenade.
displacementThe volume swept by a reciprocating system, as in a pump or engine.
The submarine has a surface displacement of 2 185 tons.
drachmaFormerly the basic unit of money in Greece.
equivocallyIn an ambiguous manner.
erraticA rock or boulder that differs from the surrounding rock and is believed to have been brought from a distance by glacial action.
An erratic comet.
fickleLiable to sudden unpredictable change.
Celebs trying to appeal to an increasingly fickle public.
fungibleOf goods or commodities; freely exchangeable for or replaceable by another of like nature or kind in the satisfaction of an obligation.
It is by no means the world s only fungible commodity.
haphazardlyWithout care; in a slapdash manner.
The film feels haphazardly thrown together.
impulseA change of momentum produced by an impulse equivalent to the average value of the force multiplied by the time during which it acts.
Electrical impulses.
impulsiveHaving the power of driving or impelling.
The approaching waves contain an impulsive component.
inconstant(of a person or their behaviour) not faithful and dependable.
Inconstant affections.
mutableProne to frequent change; inconstant.
Mutable weather patterns.
platinumGreyish white or silvery like platinum.
A platinum wig.
quicksilverA heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures.
His quicksilver wit.
randomGoverned by or involving equal chances for each item.
I just sat down by myself and talked to some randoms.
shiftingThe act of moving from one place to another.
Diverse districts with shifting demographics.
uncertain(of a person) not completely confident or sure of something.
The issue is uncertain.
unfaithfulNot trustworthy.
Her unfaithful husband.
unpredictableUnknown in advance.
The unpredictable weather of the Scottish islands.
unstableHighly or violently reactive.
Sensitive and highly unstable compounds.
variableThe region of light variable winds to the north of the north east trade winds or in the southern hemisphere between the south east trade winds and the westerlies.
Nature is infinitely variable.
volatileA volatile substance.
A flirt s volatile affections.

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