Inefficacious : নিষ্ফল; ফল উৎপাদনে অক্ষম
Related Words
ineffcacious  inefficacious  inefficacy  inefficiencies  inefficiency  inefficient  infections  infectious  inofficial  See Words Also In
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Appropriate Prepositions
Admit into(প্রবেশ করতে দেওয়া): Only the selected people were admitted into the theater.
Defend against (রক্ষা করা): We will defend our country against all enemies.
Hard of (কানে খাটো বা কম শোনা): Ratan is a hard of hearing.
Object to (আপত্তি করা): He objected to my proposal.
Work with (কারো সাথে কাজ করা): They will be working with me on the new project.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
On the whole (মোটের ওপর): On the whole, his conduct is good.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.