Unsubstantiated : অপ্রমাণিত; অপ্রমাণসিদ্ধ;
Related Words
unsubstantial unsubstantiality unsubstantiatedSee Words Also In
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Appropriate Prepositions
Ashamed of(লজ্জিত): Nandini was ashamed of his wrong-doing.
Catch at(ধরা): A drowning man catches at a straw.
Depend upon (নিশ্চিত থাকা, আস্থা রাখা): Sumi depended upon his word.
Plead for (ওকালতি করা): He pleads for justice.
Quarrel with (ঝগড়া করা): Some girls quarreled with one another.
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Idioms
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
In the long run (পরিণামে): You will have to suffer in the long run.
Null and void (বাতিল): The deed has been null and void now.
Pin money (স্ত্রীর দেয়া হাত খরচ)— She saved her pin money.