Unmaintainable : অচল;
Related Words
un attainable  unattainable  undeniable  unmaintainable  unmentionable  untamable  untameable  untenable  See Words Also In
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Appropriate Prepositions
Bare of(অনাবৃত, স্বল্প-সজ্জা): The trees of the forest are bare of leaves.
Damage to (ক্ষতি): The flood caused much damage to crops last year.
Desire for (কামনা): He has no desire for fame.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Work for (কারো জন্য কাজ করা): She works for a construction company.
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Idioms
At liberty (free-মুক্ত-adj.) They are at liberty to go anywhere.
Fair play (প্রতারণা বিহীন নীতি বা কাজ): I believe in the practice of fair play in my business.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
On the wane (হ্রাসমান): His fame is on the wane now.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.