One entry found for unstable.
Entry Word: unstable
Function: adjective
Text: 1 not being in or able to maintain a state of balance <when we put the books down on the unstable desk, the whole stack went crashing to the floor> Synonyms unbalanced, unsteady Related Words rickety, shaky, tottery, wobbly; cockeyed, lopsided, uneven Near Antonyms even, level, straight; sound, sturdy, substantial Antonyms balanced, stable, steady 2 likely to change frequently, suddenly, or unexpectedly <financial investors don't like an unstable economy> -- see FICKLE 1 3 not staying constant <unstable temperatures are not ideal storage conditions for wine> -- see UNEVEN 2