Efficacious : ফলোৎপাদক; নিশ্চিত ফলপ্রদ
Related Words
efficacious  efficacy  effigies  See Words Also In
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Appropriate Prepositions
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Call in(ডাকিয়া আনা): They called in a doctor.
Deal in (কোনো কিছুর ব্যবসা করা): They deal in green vegetables.
Dull of (বধির; কানে শুনে না): He is dull of hearing.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Fair and square (সৎ): The learned persons should be fair and square.
Put up with (সহ্য করা - tolerate): I could not put up with his behavior.
Set free (মুক্ত করা): The prisoners were set free.
Weal and woe (joy and sorrow, সুখ দঃখ) —Human life is full of weal and woe.