Invalid : পঙ্গু,অশক্ত,দুর্বল অক্ষম,
Related Words
in validity  inability  invalid  invalidate  invalidated  invalidating  invalidism  invalidity  involuted  See Words Also In
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Appropriate Prepositions
Attain to (লাভ করা): He will not attain to his objective so soon.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Care for(গ্রাহ্য করা): I do not care for you.
Play on (বাজানো): They play on the piano.
Send for (ডেকে পাঠানো): Send for a doctor immediately.
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Idioms
Bear (a) grudge (bear hostility to— শত্রুতা বা বিদ্বেষ পোষন করা—V) We should not bear (a) grudge against our brethren.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Swan-song (অন্তিম গীত, শেষ কর্ম): This writing is the swan song of Kazi Nazrul islam.
Up and doing (উদ্যোগী): Be up and doing and then you will succeed in your life.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.