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
Comply with(মেনে নেওয়া): The clerks must comply with the orders of their officer.
Covetous of(লোভী হওয়া): He is covetous of wealth.
Render into (অনুবাদ করা): Render the passage into Bengap.
Rule over (শাসন করা): In the absence of the Parliament, the President rules over the country.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
Make hay while sun shines (ঝোপ বুঝে কোপ মারা) You should try to make hay while sun shines.
Pick a quarrel (ঝগড়া করা)—Do not pick a quarrel.
Run into debt (ঋণগ্রস্ত হওয়া)— He ran into debt.
Tooth and nail (তীব্রভাবে): He fought tooth and nail for the sake of country.
White elephant (অত্যন্ত ব্যয়সাপেক্ষ বিলাসিতা): At last the department proved to be a white elephant.