| Main Entry: | |
| Part of Speech: | noun |
| Definition: | temper |
| Synonyms: | acerbity, anger, annoyance, bad humor, cantankerousness, crossness, dander, excitability, fit, fretfulness, furor, fury, grouchiness, heat*, hotheadedness, huffiness, ill-humor, impatience, irascibility, irascibleness, ire, irritability, irritation, low boiling point, miff, outburst, passion, peevishness, petulance, pugnacity, rage, resentment, sensitivity, slow burn, snit, sourness, spleen, stew, sullenness, surliness, tantrum, tartness, tear*, temperament, tetchiness, tiff, tizzy, touchiness, wax |
| Main Entry: | mercurial |
| Part of Speech: | adjective |
| Definition: | flighty, temperamental |
| Synonyms: | blowing hot and cold, bubbleheaded, buoyant, capricious, changeable, effervescent, elastic, erratic, expansive, fickle, flaky, flip*, fluctuating, gaga, gay, impulsive, inconstant, irregular, irrepressible, lighthearted, lively, lubricious, mad, mobile, movable, quicksilver, resilient, short-fuse, spirited, sprightly, ticklish, unpredictable, unstable, up-and-down, variable, volatile, yo-yo |
| Antonyms: | calm, tranquil, unchangeable, unperturbable, unvarying |