Synonyms of mercurial in English:

mercurial


See definition of mercurial

adjective

1‘a mercurial temperament’

SYNONYMS

volatile, capricious, temperamental, excitable, fickle, changeable, unpredictable, variable, protean, mutable, erratic, quicksilver, inconstant, inconsistent, unstable, unsteady, fluctuating, ever-changing, kaleidoscopic, fluid, wavering, vacillating, moody, flighty, wayward, whimsical, giddy, impulsive

technical labile

ANTONYMS

stable, steady, constant