red-letter day
red·let·ter·day
noun
1.
a memorably happy or noteworthy day
Related words
Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
red·let·ter·day
a memorably happy or noteworthy day
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.