Unstable — meaning, pronunciation & more

Definition

lacking stability or fixity or firmness

highly or violently reactive

Pronunciation

🇺🇸American English

/ʌnstˈeɪbəl/

🇬🇧British English

/ʌnstˈeɪbəl/

🇮🇳Indian English

/ʌnstˈeɪbəl/

2 syllables Say it as /ʌnstˈeɪbəl/.

Examples

unstable political conditions
the tower proved to be unstable in the high wind
an unstable world economy

Synonyms & Antonyms

Synonyms

fluid precarious unsound mentally ill

Antonyms

stable

Parts of Speech

adjective	lacking stability or fixity or firmness “unstable political conditions”
adjective	highly or violently reactive “sensitive and highly unstable compounds”
adjective	affording no ease or reassurance “a precarious truce”
adjective	suffering from severe mental illness “of unsound mind”
adjective	disposed to psychological variability “his rather unstable religious convictions”
adjective	subject to change; variable “a fluid situation fraught with uncertainty”

Word Forms

unstableness	noun	the quality or attribute of being unstable and irresolute
precariousness	noun	being unsettled or in doubt or dependent on chance
unsoundness	noun	not mentally or physically healthy
fluidness	noun	a changeable quality

Around the World

Europe

🇩🇪German

instabil

es mangelt an Stabilität, Festigkeit oder Festigkeit

🇫🇷French

instable

manque de stabilité, de fixité ou de fermeté

🇪🇸Spanish

inestable

falta de estabilidad o fijeza o firmeza

🇮🇹Italian

instabile

privo di stabilità, fissità o fermezza

🇳🇱Dutch

onstabiel

zonder stabiliteit, standvastigheid of stevigheid

🇵🇹Portuguese

instável

falta de estabilidade ou fixidez ou firmeza

🇷🇺Russian

нестабильный

отсутствие стабильности, фиксированности или твердости

India

🇮🇳Hindi

अस्थिर

स्थिरता या स्थिरता या दृढ़ता का अभाव

🇧🇩Bengali

অস্থির

স্থিতিশীলতা বা স্থিরতা বা দৃঢ়তার অভাব

🇮🇳Tamil

நிலையற்ற

நிலைத்தன்மை அல்லது உறுதிப்பாடு அல்லது உறுதி இல்லாதது

🇮🇳Telugu

అస్థిరమైన

స్థిరత్వం లేదా స్థిరత్వం లేదా దృఢత్వం లేకపోవడం

🇮🇳Marathi

अस्थिर

स्थिरता किंवा स्थिरता किंवा दृढता नसणे

🇮🇳Gujarati

અસ્થિર

સ્થિરતા અથવા સ્થિરતા અથવા મક્કમતાનો અભાવ

🇮🇳Kannada

ಅಸ್ಥಿರ

ಸ್ಥಿರತೆ ಅಥವಾ ಸ್ಥಿರತೆ ಅಥವಾ ದೃಢತೆಯ ಕೊರತೆ

🇮🇳Malayalam

അസ്ഥിരമായ

സ്ഥിരതയോ സ്ഥിരതയോ ദൃഢതയോ ഇല്ല

🇮🇳Punjabi

ਅਸਥਿਰ

ਸਥਿਰਤਾ ਜਾਂ ਸਥਿਰਤਾ ਜਾਂ ਦ੍ਰਿੜਤਾ ਦੀ ਘਾਟ

🇵🇰Urdu

غیر مستحکم

استحکام یا استحکام یا مضبوطی کا فقدان

East & Southeast Asia

🇨🇳Chinese

不稳定

缺乏稳定性或固定性或坚定性

🇯🇵Japanese

不安定な

安定性、固定性、堅固さが欠けている

🇰🇷Korean

불안정한

안정성이나 고정성 또는 견고성이 부족함

🇻🇳Vietnamese

không ổn định

thiếu sự ổn định hoặc cố định hoặc độ cứng

🇹🇭Thai

ไม่เสถียร

ขาดความมั่นคงหรือความยึดติดหรือความหนักแน่น

🇮🇩Indonesian

tidak stabil

kurang stabilitas atau keteguhan atau ketegasan

🇵🇭Filipino

hindi matatag

kulang sa katatagan o katatagan o katatagan

🇲🇾Malay

tidak stabil

kurang kestabilan atau ketetapan atau ketegasan

Middle East

🇸🇦Arabic

غير مستقر

تفتقر إلى الاستقرار أو الثبات أو الحزم

🇮🇷Persian

ناپایدار

عدم ثبات یا استحکام یا استحکام

🇹🇷Turkish

dengesiz

stabilite veya sabitlik veya sertlikten yoksun

🇮🇱Hebrew

לֹא יַצִיב

חסר יציבות או קביעות או תקיפות

Test Yourself1 / 3

What is the primary definition of the word 'unstable'?

The primary meaning of 'unstable' is 'lacking stability or fixity or firmness'.

Which of the following sentences uses the word 'unstable' in a grammatically correct way?

Using 'unstable' in a noun/adjective form makes the first sentence correct.

In which domain is the word 'unstable' most likely to appear as standard vocabulary?

'unstable' is a standard word used primarily in general literature and formal communications.

Community Poll1 / 6

How often do you encounter the word 'unstable' in your daily reading?

Very Often

Occasionally

Rarely

Never

Do you find 'unstable' easy to spell?

Yes, very easy

Somewhat easy

A bit confusing

Extremely hard

In your opinion, does the word 'unstable' have a positive, neutral, or gloomy tone?

Positive

Neutral

Gloomy

Vibrant

Which age group is most likely to use 'unstable' in regular conversations?

Kids (3-12)

Teens (13-19)

Adults (20-60)

Seniors (60+)

How likely are you to use 'unstable' in a professional email?

Very likely

Somewhat likely

Not very likely

Never

Would you classify 'unstable' as formal, casual, or slang?

Formal

Casual

Slang

Archaic

Pick an option to see how others voted