Unauthorised : অননুমোদিত; ক্ষমতা অর্পিত হয়নি এমন; অ-স্বীকৃত; অনধিকার; অবৈধ; অননুমত; অনধিকারী;
Related Words
unauthorised  unauthorized  See Words Also In
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Appropriate Prepositions
Ashamed of(লজ্জিত): Nandini was ashamed of his wrong-doing.
Aware of(অবগত): I am not aware of his dishonesty.
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
At the top of (শীর্ষে): The boy shouted at the top of his voice.
At one’s elbow (near at hand — হাতের কাছে – adv.) His private secretary is always at his elbow.
Pack up a quarrel (ঝগড়া মিটানো)— He packed up their quarrel.
Widow’s mite (দরিদ্রের ক্ষুদ্র দান): A windows mite is no less important than a large contribution of a rich man.