Infallible : অভ্রান্ত; অব্যর্থ
Related Words
in valuable  inappellable  infallibility  infallible  invaluable  See Words Also In
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Appropriate Prepositions
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
Afraid of(ভীত): An honest man is not afraid of telling the truth.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Destitute of (নিঃস্ব; বিবর্জিত): He is destitute of any friend here.
Infested with (অতিষ্ঠ): The room is infested with rats.
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Idioms
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
Hold water (ধোপে টেকা): This policy will not hold water in this situation.
Red tape (official formalities, অফিসের কাজ)— You would not believe the red tape involved in getting the required permits.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.
Without fail (অবশ্যই) - You must attend the meeting without fail.