Inefficacy : নিষ্ফলতা; ফলদানে অক্ষমতা; কার্যকারিতার অভাব; গুণের অভাব;
Related Words
ineffaceable  ineffcacious  ineffectual  inefficacious  inefficacy  inefficiencies  inefficiency  inefficient  inofficial  See Words Also In
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Appropriate Prepositions
Care of(যত্ন নেওয়া): You should take care of your health.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Die by (দূর্ঘটনা বা অপঘাতে মরা/কোন কিছু দ্বারা মারা যাওয়া): He died by a road accident.
Independent of (স্বাধীন): They are independent of my health.
Informed of (অবহিত): I was not informed of your misfortune.
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Idioms
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
In vogue (চালু): This custom is not in vogue at present.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Three score (ষাট): He is happy as his brother got three score.