WordReference Random House Unabridged Dictionary of American English © 2026
First′ day′,
- Religion(among Quakers) Sunday.
- 1645–55
'first day' also found in these entries (note: many are not synonyms or translations):
Ash Wednesday
- Boxing Day
- Hoshana Rabbah
- M-day
- May Day
- Monday
- New Year
- Paschal Lamb
- Rosh Hashanah
- Sabbath
- Sunday
- Tashlikh
- bolt
- breakup
- calends
- clean
- cusp
- day one
- first-day cover
- flounder
- hot cake
- log
- new year
- omer
- outline
- paschal lamb
- roll
- thaw
- vernissage