Unaccountable : কারণ নির্ণয়ে অসাধ্য; অকারণ; দায়ী নহে এমন;
Related Words
unaccountable  unaccountably  uncountable  See Words Also In
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Appropriate Prepositions
Appear at/in(উপস্থিত হওয়া): I should appear at/in the exam hall in time.
Careless of(অসতর্ক): Do not be careless of your health.
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Contrary to(বিপরীত, পরিপন্থী): Students should not act contrary to the rules of discipline.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
All up with - (পুরোপুরি, হতাশ, সব আশা শেষ): If we can't, it's all up with the councillor.
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.