up-and-down

Main Entry:
up-and-down [uhp-uhn-doun]
Part of Speech: adjective
Definition: variable
Synonyms: bobbing, perpendicular, seesaw, uneven, vacillating, vertical, yoyo
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
Main Entry: vertical
Part of Speech: adjective
Definition: upright
Synonyms: bolt upright, cocked, erect, on end, perpendicular, plumb, sheer, steep, straight-up, up-and-down, upward
Antonyms: horizontal, prone
Main Entry: volatile
Part of Speech: adjective
Definition: explosive, changeable
Synonyms: airy, buoyant, capricious, effervescent, elastic, elusive, ephemeral, erratic, expansive, fickle, fleeting, flighty, flippant, frivolous, fugacious, fugitive, gaseous, gay, giddy, impermanent, imponderable, inconsistent, inconstant, light, lively, lubricious, mercurial, momentary, playful, resilient, short-lived, sprightly, subtle, temperamental, ticklish, transient, transitory, unsettled, unstable, unsteady, up-and-down, vaporous, variable, whimsical
Antonyms: calm, firm, stable, steadfast
Related Words
Main Entry: volatile
Part of Speech: adjective
Related
Adjectives:
evaporable, reeking, vaporizable, volatile, volatilized
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