unstable

  • (a) lacking stability or fixity or firmness
    • unstable political conditions
    • the tower proved to be unstable in the high wind
    • an unstable world economy
  • (s) highly or violently reactive
    • sensitive and highly unstable compounds
  • (s) affording no ease or reassurance
    • a precarious truce
    precarious,
  • (s) suffering from severe mental illness
    • of unsound mind
    mentally ill, unsound,
  • (s) disposed to psychological variability
    • his rather unstable religious convictions
  • (s) subject to change; variable
    • a fluid situation fraught with uncertainty
    • everything was unstable following the coup
    fluid,

Synonyms

precarious mentally ill unsound fluid

Antonyms

stable

See also

impermanent temporary inconstant unsteady

Words of close approximity

unstableness