Search Result for "unstable": 
Wordnet 3.0

ADJECTIVE (6)

1. lacking stability or fixity or firmness;
- Example: "unstable political conditions"
- Example: "the tower proved to be unstable in the high wind"
- Example: "an unstable world economy"

2. highly or violently reactive;
- Example: "sensitive and highly unstable compounds"

3. affording no ease or reassurance;
- Example: "a precarious truce"
[syn: precarious, unstable]

4. suffering from severe mental illness;
- Example: "of unsound mind"
[syn: mentally ill, unsound, unstable]

5. disposed to psychological variability;
- Example: "his rather unstable religious convictions"

6. subject to change; variable;
- Example: "a fluid situation fraught with uncertainty"
- Example: "everything was unstable following the coup"
[syn: fluid, unstable]



The Collaborative International Dictionary of English v.0.48:

Unstable \Un*sta"ble\, a. [Cf. Instable.]
   Not stable; not firm, fixed, or constant; subject to change
   or overthrow. -- Un*sta"ble*ness, n. --Chaucer.
   [1913 Webster]

   Unstable equilibrium. See Stable equilibrium, under
      Stable.
      [1913 Webster]


WordNet (r) 3.0 (2006):

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


The Free On-line Dictionary of Computing (19 January 2023):

unstable

    A description of an algorithm for which a
   small change or error in the initial values results in a large
   difference in the final result.

    A description of a piece of software or
   hardware that is unreliable or prone to crash or is
   over-sensitive to its input or behaves in some other
   unpredictable way.

   (2019-12-27)