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
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Appointment with (সাক্ষাতের সময়): He has an appointment with the minister at 10:00 am.
Born of(জন্মগ্রহণ করা): I was born of a middle class family.
Remind of (স্মরণ করিয়ে দেওয়া): He reminded me of his request to lend him some money.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
At a standstill (নিশ্চল, অচলাবস্থায়-adj.) The discussion is now at a standstill.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
Give in (বশ্যতা স্বীকার করা): We will never give in to our enemies.