Invalid : পঙ্গু,অশক্ত,দুর্বল অক্ষম,
Related Words
in validity  inability  invalid  invalidate  invalidated  invalidating  invalidism  invalidity  involuted  See Words Also In
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Appropriate Prepositions
Argue over (কোন বিষয়ে তর্ক করা): The kids are arguing over which TV program to watch.
Consolidate for (শক্তিশালী করা): The four new companies consolidated for greater efficiency.
Control over(নিয়ন্ত্রণ): He has no control over his sons.
Convict of(দোষী সাব্যস্ত হওয়া): The accused person was convicted of the murder.
Send for (ডেকে পাঠানো): Send for a doctor immediately.
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Idioms
Fight shy (এড়িয়ে চলা): Why do you fight shy of your teacher?
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
Give in (বশ্যতা স্বীকার করা): We will never give in to our enemies.
Sheet anchor (শেষ আশ্রয়; প্রধান অবলম্বন; আসল খুঁটি)— This small piece of land is his sheet anchor.
Ups and downs (উত্থান পতন)- There is ups and downs in a man's life.