Synonyms of variable in English:

variable


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adjective

1‘the wind was variable in direction and strength’

SYNONYMS
changeable, changing, varying, shifting, fluctuating, irregular, wavering, vacillating, inconstant, inconsistent, fluid, floating, unsteady, uneven, unstable, unsettled, movable, mutable, protean, chameleonic, unfixed, fitful, capricious, temperamental, fickle, kaleidoscopic, volatile, unpredictable, undependable, unreliable
informal up and down, blowing hot and cold, peaky
rare changeful, variational
ANTONYMS

constant, uniform