Overview of noun quicksilver

The noun quicksilver has 1 sense

• mercury, quicksilver, hydrargyrum, Hg, atomic number 80 -- (a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures)

Overview of adj quicksilver

The adj quicksilver has 1 sense

• erratic, fickle, mercurial, quicksilver -- (liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next")