Lackluster : নিষ্প্রভ; দু্যতিহীন;
Related Words
lack lusture  lack-lustre  lackluster  lacklustre  lacklusture  See Words Also In
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Appropriate Prepositions
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Appropriate to(যোগ্য): His answer is appropriate to the question.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Curse for (অভিশাপ দেয়া): If he ever mistreats my parents, I will certainly curse him for it.
Look after (দেখাশুনা): He looks after me.
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Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.