Unbacked : অনবলম্ব; অনবলম্বন; সমর্থনহীন; পৃষ্ঠপোষকহীন;
Related Words
un biased  un packed  unabashed  unaffected  unbacked  unbaked  unbiased  unbiassed  unpacked  unpicked  unvoiced  See Words Also In
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Appropriate Prepositions
Adept in (দক্ষ): He is adept in playing football.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Competent for(যোগ্য): He is not competent for the post.
Entitled to (অধিকারী): He is entitled to a reward for honesty.
Thirst for (তৃষ্ণা, আকাঙ্ক্ষা): A wise man has no thirst for wealth.
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Idioms
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
In no time (শীঘ্র): He will finish the work in no time.
In the long run (পরিণামে): You will have to suffer in the long run.