Unsubstantiated : অপ্রমাণিত; অপ্রমাণসিদ্ধ;
Related Words
unsubstantial  unsubstantiality  unsubstantiated  See Words Also In
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Appropriate Prepositions
Abide in(বাস করা): I abide in Dhaka with my family.
Aim at(আঘাত করার জন্য লক্ষ্য স্থির করা): The hunter aimed at the tiger.
Authority on(বিশেষজ্ঞ পন্ডিত): Kamal was an authority on English literature.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
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Idioms
Acid test (অগ্নি পরীক্ষা): You must succeed in the acid test of the time you live in.45
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
As a rule (নিয়ম অনুসারে.) As a rule, she kept silent in the meeting.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.