Invalidate : বাতিল করা; অসিদ্ধ করা; ব্যর্থ করা;
Related Words
in validity  inabilities  inability  inflate  inflated  inflates  invalid  invalidate  invalidated  invalidating  invalidism  invalidity  inviolate  involute  involuted  See Words Also In
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Appropriate Prepositions
Bridge over (সেতু): The only entrance to Allahabad in that direction was by a bridge over the Jumna.
Cause for (চিন্তিত হওয়ার কারণ): He has never given me any cause for concern.
Cruise to (জয় লাভ করা): The Bangladesh team cruised to their fifth successive win this afternoon.
Cure of, for(রোগমুক্ত হওয়া): This man was cured of This drug is a cure for typhoid.
Lost in (মগ্ন): Simon is lost in meditation.
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Idioms
A bed of roses - (সুখকর অবস্থা): Life is not a bed of roses.
At a snail's pace (very slowly – খুব ধীর গতিতে) The economy of Bangladesh is growing at a snail’s pace.
Crying need (জরুরী): Mass education is a crying need for India.
In cold blood (ঠান্ডা মাথায়): They committed this murder in cold blood.
Pack of lies (ডাঁহা মিথ্যা)—He told pack of lies to prove himself innocent.