unstable

• يصف شيئًا غير ثابت أو غير متين أو غير مستقر، أو معرّضًا للتغيّر أو الاضطراب أو الخلل. ويُستعمل للدلالة على عدم الاستقرار في الحالة أو الوضع أو البنية.

Describes something that is not stable, firm, or steady; likely to change or fail.

1. Lacking stability or firmnessB1formal

   Not firmly fixed; likely to move, change, or fail.

   غير مستقر

   • The ladder felt unstable and I was afraid to climb it.
   • The political situation in the region remains unstable.
   • The patient's condition is still unstable after the surgery.

   المرادفاتinsecureprecariousricketyrockyshakytotteryunsoundunsteadywobbly

   الأضدادfirmfixedsecuresolidstablesteady

2. Highly reactiveB2formalscientific

   Describing a chemical substance that is likely to react or decompose quickly.

   غير مستقر كيميائياً

   • This compound is highly unstable and must be stored carefully.
   • Unstable elements can cause dangerous reactions if mishandled.
   • The lab technician handled the unstable chemical with extreme caution.

   المرادفاتlabilereactivevolatile

   الأضدادinertstable

3. Not reassuringB2formal

   Causing worry or unease; not providing comfort or safety.

   غير مطمئن

   • The economy is in an unstable state, causing anxiety among investors.
   • His unstable behavior at the meeting made everyone uncomfortable.
   • The building's unstable foundation gave little reassurance to the residents.

   الأضدادcalmingreassuringsecurestablesteady

4. Severe mental illnessC1formalmedical

   Suffering from a serious mental health condition that affects behavior and thinking.

   غير مستقر نفسياً

   • The patient was diagnosed as mentally unstable and required constant care.
   • He was deemed unstable after the psychological evaluation.
   • The court ordered treatment for the unstable individual.

   المرادفاتderangedinsanemadpsychoticunbalancedunhinged

5. Prone to psychological variabilityC1formal

   Tending to have unpredictable or changeable moods and emotions.

   غير مستقر نفسيًا

   • She is emotionally unstable, often swinging from joy to sadness quickly.
   • His unstable temperament made it hard to maintain relationships.
   • The character in the novel is portrayed as psychologically unstable.

   المرادفاتcapriciouschangeableerraticmercurialmoodytemperamentalunpredictablevolatile

   الأضدادbalancedcomposedequablelevelheadedstablesteady

6. Subject to changeB2formal

   Likely to change frequently; not constant or steady.

   غير مستقر

   • The weather in spring is often unstable, with sudden rain and sunshine.
   • The company's profits have been unstable over the past few years.
   • Her mood is unstable, shifting from cheerful to irritable without warning.

   المرادفاتchangeableficklefluctuatingfluidinconstantmercurialmutableunsteadyvariablevolatile

   الأضدادconsistentconstantfixedinvariablestablesteadyunchanging