Quicksilver — synonyms, definition

1. quicksilver (Adjective)

erratic fickle mercurial

quicksilver (Adjective) — Liable to sudden unpredictable change. ex. "a quicksilver character, cool and wilful at one moment, utterly fragile the next"

2. quicksilver (Noun)

Hg atomic number 80 hydrargyrum mercury

quicksilver (Noun) — A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures.

metal metallic element calomel cinnabar mercurous chloride