American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "red-letter" in a sentence
"A lot of people here identified as red-letter Christians, who believe the words of Jesus have been hijacked by worldly authorities."
"Given its roots in fox hunting, which greeted each 26 December as a red-letter day, national hunt racing's King George VI Chase at Kempton is a Boxing Day staple since 1947 that has provided imperishable memories of courage and drama."
"On one red-letter day he sent 19 witches to their deaths."