-
Trending Now:
More Trending:
- beleaguer scaramouch non sequitur admiral's mast calumny
- ALL
first day
noun
Definition of first day
1 usually capitalized F : sunday —used chiefly by the Friends
2a : a day when the postage stamps of a new issue are first placed on sale; especially : one on which recognition of the event is made by special cancellations and often by cachets on mail bearing the stamps b : first day cover
Indulge Your Inner Word Nerd
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of first day
1649
Seen and Heard
What made you want to look up first day? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!