Pocket Thesaurus
Synonyms of mercurial
impulsive, unpredictable, volatile, effervescent, changeable, resilient, erratic, buoyant, capricious, elastic, expansive, fickle, flaky, flip, gay, inconstant, irregular, irrepressible, lighthearted, lively, mad, mobile, movable, spirited, sprightly, ticklish, unstable, up-and-down, variable, gaga, lubricious, blowing hot and cold, fluctuating, quicksilver, short-fuse, yo-yo
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