Effectiveness : কার্যকারিতা;
Related Words
effectiveness  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Adept in (দক্ষ): He is adept in playing football.
Annoyed at(ব্যক্তি ছাড়া অন্যকিছুর প্রতি বিরক্ত): They were annoyed at his rough behavior.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Deaf to, of, in (না শোনা, বধির হওয়া): The boy is deaf to his father’s advice. This man is deaf of/in one ear.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Browse All Appropriate Prepositions
Idioms
At a discount (অনাদৃত) Female education is no longer at a discount now.
From hand to mouth (দিন আনে দিন খায়): The poor man live from hand to mouth.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.
With might and main (যথা শক্তি দিয়ে) —He tried with might and main to help me.