In validity : দুর্বলতা; অকার্যকরতা;
Related Words
immovability  in validity  inability  invalid  invalidate  invalidated  invalidating  invalidism  invalidity  See Words Also In
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Appropriate Prepositions
Burst into(কান্নায় ভেঙ্গে পড়া): He burst into tears.
Creep up (বৃদ্ধি পাওয়া): The prices of are creeping up day by day.
Faith in (বিশ্বাস): I have no faith in him.
Indebted to (ঋণী থাকা): We are indebted to the great leaders of the country for their service.
Loyal to (অনুগত): Every citizen must be loyal to the state.
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Idioms
Backstairs influence (secret and illegal influence- গোপন এবং বে আইনী প্রভাব-n) He did not deseve the job, however, he got it by backstairs influence.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Short temper (রগচটা)— He is a man of short temper.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.
Well-to-do (সঙ্গতিপূর্ণ) - He was not born in a well-to-do family.