Unstable
Pronunciation: /ənˈsteɪbəl/
Unstable (adjective)
- likely to change or move suddenly, not steady or secure.
- having sudden changes in mood or behavior, not calm.
- easily reacting with other substances, not chemically stable.
Examples
- The ladder was unstable on the uneven ground.
- The table became unstable after the leg broke.
Common collocations: unstable structure, unstable condition, emotionally unstable, mentally unstable, unstable compound