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