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Meaning of UNSTABLE

Pronunciation:  un'steybul

 
WordNet Dictionary
 
 Definition: 
  1. [adj]  subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup"
  2. [adj]  affording no ease or reassurance; "a precarious truce"
  3. [adj]  highly or violently reactive; "sensitive and highly unstable compounds"
  4. [adj]  disposed to psychological variability; "his rather unstable religious convictions"
  5. [adj]  suffering from severe mental illness; "of unsound mind"
  6. [adj]  lacking stability or fixity or firmness; "unstable political conditions"; "the tower proved to be unstable in the high wind"; "an unstable world economy"
 

UNSTABLE is a 8 letter word that starts with U.

 

 Synonyms: changeable, changeful, coseismal, coseismic, crank, cranky, disturbed, explosive, fluid, insane, irresolute, labile, mentally ill, precarious, reactive, rickety, rocky, seismal, seismic, shaky, tender, thermolabile, tippy, top-heavy, tottering, uneasy, unsettled, unsound, volatile, volcanic, wobbly, wonky
 
 Antonyms: stable
 
 See Also: impermanent, inconstant, temporary, unsteady

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Un*sta"ble\, a. [Cf. {Instable}.]
Not stable; not firm, fixed, or constant; subject to change
or overthrow. -- {Un*sta"ble*ness}, n. Chaucer.

{Unstable equilibrium}. See {Stable equilibrium}, under
   {Stable}.

 

 

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