Indubitable : সুনিশ্চিত; প্রশ্নাতীত; সংশয়াতীত; সন্দেহাতীত; নিশ্চিত;
Related Words
indubitable  indubitably  See Words Also In
1.Google-Translator 2.Dictionary.com 3.Merriam-Webster 4.Wikipedia 5.Thesaurus.com
Appropriate Prepositions
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Delighted at/with (আনন্দিত হওয়া): Sharmin was delighted at/with her husband’s promotion.
Hostile to (বিরোধী বা বিরূপ ভাবাপন্ন): Nobody is hostile to you.
Look for (খোঁজা): I was looking for the lost phone.
Shocked at (মানসিক আঘাতপ্রাপ্ত): Snigdha was terribly shocked at the death of Ratul.
Browse All Appropriate Prepositions
Idioms
At a round rate (at the fixed price – নির্ধারিত মূল্যে) Things are selling in the shop at a round rate.
At death’s door (at the point of death- মৃত্যুর দ্বারে) The patient is now at death’s door.
In a fix (মুশকিলে পতিত হওয়া): The man is in a fix with his new hairstyle.
On the wane (হ্রাসমান): His fame is on the wane now.
Read between the lines (understand the significance, অন্তনিহিত অর্থ বুঝা) Try to read between the lines of the letter.