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quicksilver

quicksilver

8.6
Likely to change mood or behavior quickly and without warning
  • adjective
  • /ˈkwɪkˌsɪlvər/
  • Archaic
translation icon : mercurial
  • Her quicksilver temperament made it difficult for her friends to predict how she would respond to different situations.

Examples

  • His quicksilver nature caused him to change his plans at the last minute, leaving everyone confused.

  • For the cautious Scandinavian, the newly published La Vagabonde epitomized, in sensuous, quicksilver language, a woman's choice between love and liberation.

    Academic text (2003)
  • "She was light, quicksilver, efflorescing!

  • He armed a tube, dived into a roll, fired at the tiltfan, and bounced to his feet, all in a single, quicksilver motion.

    Fiction book (2000)
  • Something quicksilver and deadly, rippling with the sleek, purposeful musculature of a predator.

    Fiction book (1998)
  • The artist's quicksilver imagination led to a series of unexpected and breathtaking works.

Synonyms

erratic
vsquicksilver
94 6.1

Not regular or predictable and likely to change suddenly

focuses more on sudden emotional or mood shifts rather than patterns
unstable
vsquicksilver
91 4.4

A person whose mood or behavior changes suddenly

is similar but often felt as a striking, vivid change
volatile
vsquicksilver
77 7.0

Likely to change suddenly and become more dangerous

means sudden mood change without the implied danger or escalation
fickle
vsquicksilver
39 6.2

Changing often in a way you cannot rely on

covers sudden mood shifts more broadly, not only loyalties
mercurial
vsquicksilver
7 8.2

Changing mood or behaviour suddenly and without warning

is the same meaning but used as a more poetic term
quick-change
vsquicksilver
3 5.9

Able to change clothes or roles very quickly

describes sudden personality or mood shifts rather than practical changes
flitty
vsquicksilver
  • UK
8.4

Acting quickly and changing mood or interest often

is similar but conveys a sharper, more striking unpredictability
a bit switchy
vsquicksilver
  • UK
9.2

Often changes mood or behavior quickly and without warning

expresses stronger, more dramatic and frequent shifts in mood

Antonyms

473 2.3

Not likely to change and stays steady over time

189 2.5

Easy to guess what will happen

How Changeable

quicksilver
  • Archaic
8.6
erratic
94 6.1
capricious
19 7.9
fickle
39 6.2
inconstant
2 7.5

Surface Forms

quicksilver positive

Etymology

Quicksilver used as an adjective compares a person to the liquid metal: because quick once meant 'alive' and the metal moves and changes suddenly, calling someone 'quicksilver' means they are 'changeable' and hard to predict.