In validity : দুর্বলতা; অকার্যকরতা;
Related Words
immovability in validity inability invalid invalidate invalidated invalidating invalidism invaliditySee Words Also In
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Appropriate Prepositions
Apathy towards (অনাগ্রহ): The student has great apathy towards his studies.
Call in(ডাকিয়া আনা): They called in a doctor.
Die for (আত্নত্যাগ করা): Our Chairman died for our country.
Due to (কারণে): His absence is due to illness.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
At-fault (guilty-কিংকর্তব্যবিমূঢ়, অপরাধ, দোষ adj.) You are at fault.
Breathe one’s last (decease, die- শেষ নিঃশেষ ত্যাগ করা, মরে যাওয়া) The man breathed his last in his native village.
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Set out (যাত্রা করা)— I will set out in time.