Definition of unstable

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  • unstable is a valid Scrabble US word with a point value of 10
  • unstable is a valid Scrabble UK word with a point value of 10
  • unstable is a valid Words with friends word with a point value of 14

Definition of unstable

  • affording no ease or reassurance (adjective)

    Synonyms

    1. precarious
  • suffering from severe mental illness (adjective)

    Synonyms

    1. mentally ill
    2. unsound
  • subject to change; variable (adjective)

    Examples

    1. everything was unstable following the coup

    Synonyms

    1. fluid
  • disposed to psychological variability (adjective)

    Examples

    1. his rather unstable religious convictions
  • highly or violently reactive (adjective)

    Examples

    1. sensitive and highly unstable compounds
  • lacking stability or fixity or firmness (adjective)

    Examples

    1. unstable political conditions
    2. the tower proved to be unstable in the high wind
    3. an unstable world economy

See definition of unstable in Merriam Webster