Insomniac : অনিদ্রারোগী; অনিদ্রারোগসংক্রান্ত;
Related Words
in so much  incognizance  incommunicable  incommunicado  inconsonance  insignias  insomniac  insomuch  insouciance  See Words Also In
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Bask in(রোদ পোহানো): The boys and girls are basking in the sun right now.
Call on(কারও সাথে দেখা করা): I called on him in his office.
Cause of(কারণ): Industry is the cause of your success.
Die for (আত্নত্যাগ করা): Our Chairman died for our country.
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Idioms
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Back and forth (to and fro-এদিক ওদিক – adv.) The mad man was walking back and forth in the doctor’s chamber.
Do yeoman’s service (বিশেষ উপকার করা): Freedom fighters have done yeoman’s service for country.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
In cold blood (ঠান্ডা মাথায়): They committed this murder in cold blood.