Smokeless : ধূমহীন; নির্ধুম; ধোঁয়াহীন; নির্ধূম;
Related Words
sense less  senseless  smokeless  See Words Also In
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Appropriate Prepositions
Based on(প্রতিষ্ঠিত, ভিত্তিক): His information is not based on the correct information.
Despair of (নিরাশ হওয়া): Do not despair of further improvement.
Guilty of (অপরাধী/দোষী): The convict was guilty of murder.
Hinge on/upon (নির্ভর করা): The whole matter hinges upon this clue.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
Bare word (শুধু মুখের কথা, স্বাক্ষী প্রমানহীন কথা-n) He believed your bare word and now he has been played false with.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.
To the point (সঠিক) - The boy answered the question to the point.