Select the most appropriate meaning of the underlined idiom in the following sentence.
Independence Day is considered as a red-letter day in the history of India.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Memorable day.
The idiom "red-letter day" refers to a day that is particularly significant, special, or memorable. In the context of Independence Day, it highlights its importance in the history of India.