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Synonyms, Thesaurus & Antonyms of 'unstable' Princeton's WordNet
1. (adj) unstable
lacking stability or fixity or firmness Synonyms: unsound , fluid , precarious , mentally ill Antonyms: sane , firm , easy , lasting , stabilised , stabilized , resolute , unreactive , stable , unfluctuating , stabile , steady , unchangeable
2. (adj) unstable
highly or violently reactive Synonyms: unsound , fluid , precarious , mentally ill Antonyms: stabilized , lasting , firm , stabile , unchangeable , easy , stable , steady , stabilised , resolute , unreactive , sane , unfluctuating
3. (adj) precarious, unstable
affording no ease or reassurance Synonyms: mentally ill , perilous , parlous , precarious , shaky , unstable , touch-and-go , unsound , fluid Antonyms: stabilised , stable , lasting , unchangeable , unfluctuating , stabile , easy , stabilized , unreactive , steady , resolute , sane , firm
4. (adj) mentally ill, unsound, unstable
suffering from severe mental illness Synonyms: mentally ill , bad , unfit , fallacious , unstable , precarious , unsound , fluid Antonyms: steady , easy , unreactive , lasting , resolute , firm , stabilised , sane , stabile , stable , unfluctuating , unchangeable , stabilized
5. (adj) unstable
disposed to psychological variability Synonyms: unsound , fluid , precarious , mentally ill Antonyms: resolute , lasting , sane , stabilized , unfluctuating , stabilised , stable , stabile , firm , unchangeable , steady , easy , unreactive
6. (adj) fluid, unstable
subject to change; variable Synonyms: mentally ill , mobile , liquid , unstable , fluent , runny , smooth , precarious , unsound , fluid Antonyms: firm , lasting , stable , stabile , resolute , steady , unfluctuating , unreactive , unchangeable , sane , easy , stabilised , stabilized
Synonyms, Thesaurus & Antonyms of 'unstable' English Synonyms and Antonyms
1. unstable
Uncertain is applied to things that human knowledge can not certainly determine or that human power can not certainly control; precarious originally meant dependent on the will of another, and no Synonyms: precarious , doubtful , hazardous , risky , unsettled , dubious , insecure , unassured , unstable , equivocal , perilous , uncertain , unsteady Antonyms: actual , immutable , real , steady , undeniable , assured , incontestable , settled , strong , undoubted , certain , infallible , stable , sure , unquestionable , firm
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