Profitable : লাভজনক,হিতকর;
Related Words
profitable  profitably  propitiable  See Words Also In
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Appropriate Prepositions
Authority over (কর্তৃত্ব, আধিপত্য): She has no authority over his growing daughters.
Count on/upon (নির্ভর, বিশ্বাস করা): Rahim count on (upon) my help.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
Long for (আশা করা/কামনা করা): He longed for name and fame.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Short cut (সংক্ষিপ্ত পথ)— He comes by this shortcut.
To and fro (hither and thither, এদিক ওদিক)-The man is walking to and fro.