Unerring : নির্ভুল, নিশ্চিত, অব্যর্থসন্ধান;
Related Words
unerring  unerringly  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.
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Inferior to (নীচু/হীন): He is inferior to his neighbor.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
Quick at (চটপটে): A cashier must be quick at figures.
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Idioms
Foul play (অসদাচারণ করা): We feared that he had met with foul play.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
On the wane (হ্রাসমান): His fame is on the wane now.
Out of sorts (সামান্য অসুস্থ): The baby is out of sorts after playing.
Short temper (রগচটা)— He is a man of short temper.