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)

capricious	Changeable. A capricious and often brutal administration.
changeable	Able to be changed or exchanged. Changeable moods.
erratic	Not even or regular in pattern or movement; unpredictable. Erratic behavior.
ever-changing	Marked by continuous change or effective action.
excitable	Easily excited. These alkaloids act on nerve cells to make them more excitable.
fickle	Liable to sudden unpredictable change. Fickle friends.
flighty	Unpredictably excitable (especially of horses. Flighty young girls.
fluctuating	Having unpredictable ups and downs. A fluctuating level of demand.
fluid	Characteristic of a fluid capable of flowing and easily changing shape. The fluid political situation of the 1930s.
giddy	Excitable and frivolous. Luke felt almost giddy with relief.
impulsive	Acting or done without forethought. He regretted his impulsive offer.
inconsistent	Not in agreement. Parents can become inconsistent and lacking in control over their children.
inconstant	Frequently changing; variable or irregular. Swear not by the inconstant moon.
kaleidoscopic	Having complex patterns of colours; multicoloured. Kaleidoscopic diamond patterns.
moody	Showing a brooding ill humor- Bruce Bli. Grainy film which gives a soft moody effect.
mutable	Tending to undergo genetic mutuation. A mutable substance.
protean	Taking on different forms. It is difficult to comprehend the whole of this protean subject.
quicksilver	Liable to sudden unpredictable change. A quicksilver character cool and willful at one moment utterly fragile the next.
temperamental	Relating to a person’s temperament. A temperamental film star.
unpredictable	Not able to be predicted; changeable. An unpredictable or indeterminable future.
unstable	Suffering from severe mental illness. Sensitive and highly unstable compounds.
unsteady	Subject to change or variation. His hand was unsteady as he poured the wine.
vacillating	Uncertain 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.
wavering	Moving in a quivering way; flickering. The move brought back wavering voters.
wayward	Resistant to guidance or discipline. Wayward behavior.
whimsical	Determined 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)

anomalous	Deviating from the general or common order or type. An anomalous situation.
arbitrarily	On 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.
arrhythmic	Not rhythmic; without rhythm or regularity. An arrhythmic heartbeat.
capricious	Changeable. A capricious summer breeze.
cataclysmic	Causing sudden and violent upheaval. Cataclysmic nuclear war.
changeable	Varying in color when seen in different lights or from different angles. Cover the tables with changeable cloths.
changing	Marked by continuous change or effective action.
cheating	Not faithful to a spouse or lover.
defuse	Remove the fuse from (an explosive device) in order to prevent it from exploding. Explosives specialists tried to defuse the grenade.
displacement	The volume swept by a reciprocating system, as in a pump or engine. The submarine has a surface displacement of 2 185 tons.
drachma	Formerly the basic unit of money in Greece.
equivocally	In an ambiguous manner.
erratic	A 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.
fickle	Liable to sudden unpredictable change. Celebs trying to appeal to an increasingly fickle public.
fungible	Of 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.
haphazardly	Without care; in a slapdash manner. The film feels haphazardly thrown together.
impulse	A 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.
impulsive	Having 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.
mutable	Prone to frequent change; inconstant. Mutable weather patterns.
platinum	Greyish white or silvery like platinum. A platinum wig.
quicksilver	A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures. His quicksilver wit.
random	Governed by or involving equal chances for each item. I just sat down by myself and talked to some randoms.
shifting	The 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.
unfaithful	Not trustworthy. Her unfaithful husband.
unpredictable	Unknown in advance. The unpredictable weather of the Scottish islands.
unstable	Highly or violently reactive. Sensitive and highly unstable compounds.
variable	The 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.
volatile	A volatile substance. A flirt s volatile affections.