Efficacious : ফলোৎপাদক; নিশ্চিত ফলপ্রদ
Related Words
efficacious  efficacy  effigies  See Words Also In
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Appropriate Prepositions
Abhorrent to(ঘৃণ্য): Racism of any kind is abhorrent to me.
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
Answerable to (কারো কাছে জবাবদিহিতা করা): He is not answerable to anybody for his mistake.
Careless of(অসতর্ক): Do not be careless of your health.
Composed of(তৈরী): This medicine is composed of vitamins and minerals.
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Idioms
Gift of the gab (বাকপটুতা): An advocate should have the gift of the gab.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.
To the letter (in all details, অক্ষরে অক্ষরে) —Follow my advice to the letter.
Up to (পর্যন্ত) - I have done the exercises up to page 40.