নির্বূ্যঢ় : [বিশেষণ পদ] প্রমাণিত, নিশ্চিত।
Related Words
নির্ঘন্ট২  নির্ঘন্ট৩  নির্বন্ধ  নির্বূ্যঢ়  নিষ্ঠু্যত  See Words Also In
1.Google-Translator 2.Wikipedia 3.Wiktionary.org
Appropriate Prepositions
Bad at (অদক্ষ): He is not bad at English.
Composed of(তৈরী): This medicine is composed of vitamins and minerals.
Relevant to (প্রাসঙ্গিক): Your answer is not exactly relevant to my question.
Run into (জড়িয়ে পড়া): He had run into debt.
Run over (চাপা পড়া): The man was run over by a truck.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Out of date (সেকেলে): This fashion is out of date.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Rank and file (সাধারণ লোক): We should pay attention to the rank and file of the country.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.