Unavailing : নিরর্থক, নিষ্ফল;
Related Words
unavailing  unfailing  unfailingly  unfeeling  unveiling  See Words Also In
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Appropriate Prepositions
Abide with(সঙ্গে থাকা): If you would like to rest for a while, you can abide with me.
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Arrange for(ব্যবস্থা করা): We have arranged everything for our study tour.
Die of (রোগে মরা): Many people died of cholera.
Look after (দেখাশুনা): He looks after me.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Pandora’s box (আপাতঃ দৃষ্টিতে ভালো মনে হলেও আসলে ভালো নয়)—His words proved to be Pandora’s box.
Red letter day (স্মরণীয় দিন): The 16th December is a red letter day for us.