Invalidity : দুর্বলতা; অকার্যকরতা;
Related Words
immovability  in validity  inability  invalid  invalidate  invalidated  invalidating  invalidism  invalidity  See Words Also In
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Appropriate Prepositions
Aptitude for(স্বাভাবিক দক্ষতা, যোগ্যতা): He has no aptitude for public service.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Hanker after (আকাঙ্ক্ষা/লোভ করা): He hankers after riches.
Match for (প্রতিদ্বন্দ্বী): He is no match for me.
Repentant for (অনুতপ্ত): Kamal should be repentant for his misbehavior.
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Idioms
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.
Silver living (hope- আশা বা ভালো দিক): Every cloud has a silver lining.
Speed money (ঘুষ; উৎকোচ): He hankers after speed money.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Yellow dog (হীন ব্যক্তি) - A yellow dog is always hated by all.