Unobserved : অলক্ষিত; অতর্কিত; অগোচর;
Related Words
unabsorbed  unobserved  unobservedly  See Words Also In
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Appropriate Prepositions
Abhorrent to(ঘৃণ্য): Racism of any kind is abhorrent to me.
Appointment with (সাক্ষাতের সময়): He has an appointment with the minister at 10:00 am.
Attentive to(মনোযোগী): He is attentive to his business.
Convinced of (আশ্বস্ত): You are convinced of his product.
Long for (আশা করা/কামনা করা): He longed for name and fame.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Breathe one’s last (decease, die- শেষ নিঃশেষ ত্যাগ করা, মরে যাওয়া) The man breathed his last in his native village.
Fair and square (সৎ): The learned persons should be fair and square.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.