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
Adhere to (লেগে থাকা, অটল থাকা): You should adhere to your principal.
Anxious about (কোনো কিছুর ব্যাপারে চিন্তিত বা উদ্বিগ্ন): Karim is anxious about his father’s death. Karim is anxious for getting a job.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Desire for (কামনা): He has no desire for fame.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
At least (in the lowest estimate- কমপক্ষে) He is the owner of thirty lakh taka at least.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
In no time (শীঘ্র): He will finish the work in no time.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Slip of the tongue (বলায় সামান্য ভুল): This is a slip of the tongue; don’t pay much stress on it.