Inefficiency : অনৈপূণ্য, অযোগ্যতা, অদক্ষতা, অপটুত্ব
Related Words
inefficiencies  inefficiency  See Words Also In
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Appropriate Prepositions
Assent to(সম্মতি দেওয়া): The President has assented to the bill.
Heir to (উত্তরাধিকার পাওয়া): He is an heir to a vast property.
Informed of (অবহিত): I was not informed of your misfortune.
Loyal to (অনুগত): Every citizen must be loyal to the state.
Pity for (করুণা, সমব্যথা): I feel pity for this helpless old man.
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Idioms
At home (comfortable— আরাম) He feels at home in Dhaka now.
At a low ebb (in an unfavorable situation প্রতিকুল অবস্থায়, ভাটির মুখে) The popularity of this singer is now at a low ebb.
At ease (in peace or pleasure – শান্তিতে বা আরামে) A man who has enemies can not live at ease.
Hush money (ঘুষ): He offered a hush money to disclose the file.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.