Painless : যন্ত্রণাহীন;
Related Words
painless  panels  penniless  See Words Also In
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Appropriate Prepositions
Annoyed for(কোনো কারনে বিরক্ত হওয়া): The officer was annoyed with the clerk for being late.
Ashamed of(লজ্জিত): Nandini was ashamed of his wrong-doing.
Due to (কারণে): His absence is due to illness.
Full of (পরিপূর্ণ): Our Rivers are full of fishes.
Noted for (বিখ্যাত): She is noted for dancing.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Fish out of water (অস্বস্তিকর অবস্থা): When he came to the village, he felt like fish out of water.
Nip in the bud (অঙ্কুরে বিনষ্ট হওয়া): All his hopes were nipped in the bud.
Pass sth/sb off as sth/sb (মিথ্যা পরিচয় দেয়া; Pretend – ভান করা): They were trying to pass off these shirts as genuine Armani.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.