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Word BookShort entry

Treacherous

adjective/tɹˈɛtʃɚɹəs/
Definition
dangerously unstable and unpredictable
tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
Pronunciation
🇺🇸American English
/tɹˈɛtʃɚɹəs/
🇬🇧British English
/tɹˈɛtʃəɹəs/
🇮🇳Indian English
/tɹˈɛtʃəɹəs/
3 syllables Say it as /tɹˈɛtʃɚɹəs/.
Examples
Synonyms & Antonyms
Synonyms
Parts of Speech
adjectivedangerously unstable and unpredictable
“treacherous winding roads”
adjectivetending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
“Punic faith”
Word Forms
unreliablenessnounthe trait of not being dependable or reliable
perfidynounbetrayal of a trust
perfidiousnessnounbetrayal of a trust
treacherynounbetrayal of a trust
Around the World
Europe
🇩🇪German
tückisch
gefährlich instabil und unvorhersehbar
🇫🇷French
perfide
dangereusement instable et imprévisible
🇪🇸Spanish
traicionero
peligrosamente inestable e impredecible
🇮🇹Italian
traditore
pericolosamente instabile e imprevedibile
🇳🇱Dutch
verraderlijk
gevaarlijk onstabiel en onvoorspelbaar
🇵🇹Portuguese
traiçoeiro
perigosamente instável e imprevisível
🇷🇺Russian
коварный
опасно нестабильный и непредсказуемый
India
🇮🇳Hindi
विश्वासघाती
खतरनाक रूप से अस्थिर और अप्रत्याशित
🇧🇩Bengali
বিশ্বাসঘাতক
বিপজ্জনকভাবে অস্থির এবং অনির্দেশ্য
🇮🇳Tamil
துரோகமான
ஆபத்தான நிலையற்ற மற்றும் கணிக்க முடியாத
🇮🇳Telugu
నమ్మకద్రోహమైన
ప్రమాదకరమైన అస్థిర మరియు అనూహ్య
🇮🇳Marathi
विश्वासघातकी
धोकादायकपणे अस्थिर आणि अप्रत्याशित
🇮🇳Gujarati
વિશ્વાસઘાત
ખતરનાક અસ્થિર અને અણધારી
🇮🇳Kannada
ವಿಶ್ವಾಸಘಾತುಕ
ಅಪಾಯಕಾರಿ ಅಸ್ಥಿರ ಮತ್ತು ಅನಿರೀಕ್ಷಿತ
🇮🇳Malayalam
വഞ്ചകൻ
അപകടകരമാംവിധം അസ്ഥിരവും പ്രവചനാതീതവുമാണ്
🇮🇳Punjabi
ਧੋਖੇਬਾਜ਼
ਖ਼ਤਰਨਾਕ ਤੌਰ 'ਤੇ ਅਸਥਿਰ ਅਤੇ ਅਨੁਮਾਨਿਤ
🇵🇰Urdu
غدار
خطرناک طور پر غیر مستحکم اور غیر متوقع
East & Southeast Asia
🇨🇳Chinese
奸诈
危险的不稳定和不可预测的
🇯🇵Japanese
裏切り者
危険なほど不安定で予測不可能
🇰🇷Korean
믿을 수 없는
위험할 정도로 불안정하고 예측할 수 없음
🇻🇳Vietnamese
nguy hiểm
nguy hiểm không ổn định và không thể đoán trước
🇹🇭Thai
ทรยศ
ไม่มั่นคงและคาดเดาไม่ได้อย่างเป็นอันตราย
🇮🇩Indonesian
berbahaya
sangat tidak stabil dan tidak dapat diprediksi
🇵🇭Filipino
taksil
mapanganib na hindi matatag at hindi mahuhulaan
🇲🇾Malay
khianat
berbahaya tidak stabil dan tidak dapat diramalkan
Middle East
🇸🇦Arabic
غادر
غير مستقرة بشكل خطير ولا يمكن التنبؤ بها
🇮🇷Persian
خائنانه
به طور خطرناکی ناپایدار و غیرقابل پیش بینی است
🇹🇷Turkish
hain
tehlikeli derecede istikrarsız ve öngörülemez
🇮🇱Hebrew
בּוֹגדָנִי
לא יציב בצורה מסוכנת ובלתי צפויה
Test Yourself1 / 3
What is the primary definition of the word 'treacherous'?
The primary meaning of 'treacherous' is 'dangerously unstable and unpredictable'.
Which of the following sentences uses the word 'treacherous' in a grammatically correct way?
Using 'treacherous' in a noun/adjective form makes the first sentence correct.
In which domain is the word 'treacherous' most likely to appear as standard vocabulary?
'treacherous' is a standard word used primarily in general literature and formal communications.
Community Poll1 / 6
How often do you encounter the word 'treacherous' in your daily reading?
Very Often
Occasionally
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Do you find 'treacherous' easy to spell?
Yes, very easy
Somewhat easy
A bit confusing
Extremely hard
In your opinion, does the word 'treacherous' have a positive, neutral, or gloomy tone?
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Neutral
Gloomy
Vibrant
Which age group is most likely to use 'treacherous' in regular conversations?
Kids (3-12)
Teens (13-19)
Adults (20-60)
Seniors (60+)
How likely are you to use 'treacherous' in a professional email?
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Would you classify 'treacherous' as formal, casual, or slang?
Formal
Casual
Slang
Archaic
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This word is also in the Advanced book — want the full, immersive treatment (age meanings, culture, creative use, deeper Hindi & exercises)? Open the Advanced entry →