unstable
Adjective
- Not firm or steady; prone to change or collapse.
- lacking stability or fixity or firmness
- "unstable political conditions"
- "the tower proved to be unstable in the high wind"
- "an unstable world economy"
Adjective Satellite
- highly or violently reactive
- "sensitive and highly unstable compounds"
- affording no ease or reassurance
- suffering from severe mental illness
- disposed to psychological variability
- "his rather unstable religious convictions"
- subject to change; variable
- "everything was unstable following the coup"
Adj
- Not stable.
- Having a strong tendency to change.
- Fluctuating; not constant.
- Fickle.
- Unpredictable.
- Readily decomposable.
- Radioactive, especially with a short half-life.
Verb
Verb Forms: unstabler, unstablest
- To release (an animal) from a stable.
Examples
- His lead in Words With Friends felt unstable, knowing his opponent had a full rack.
Origin / Etymology
From Middle English unstable; equivalent to un- (not) + stable.
Synonyms
fluid, mentally ill, precarious, unsound, arbitrary, capricious, instable, labile, rickety, tottering, unsteady, wobbly
Antonyms
Scrabble Score: 10
unstable: valid Scrabble (US) TWL Wordunstable: valid Scrabble Word in Merriam-Webster MW Dictionary
unstable: valid Scrabble Word in International Collins CSW Dictionary