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English Dictionary | day one

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day one

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WordReference Random House Unabridged Dictionary of American English © 2026

day′ one′,

(often caps.) the very first day or beginning of something.

1975–80

'day one' also found in these entries (note: many are not synonyms or translations):

day - scoff - dismal - light - octave - tired

Forum discussions with the word(s) "day one" in the title:

< Until\ unless> we become parents ourselves one day.
...and that was to one day enable me to visit...
...one day at a time
...one day...the other day
20 attendees to attend one, two-day workshop 'plus' two employees
3,700 people died of starvation on one day in December
a day/the day/one day after she did it
A man of his day( one's day)
a one day of rest
a race in which he eased past John's one-day best with 52 km
and [one] to this day I feel it impossible to understand
And then one day, Van said something that brought them back.
"And then one day..."
apply for one day's sick leave
<as had> this one day of strange experiences
As the day was a good one
be one less day for/that somebody
be one's day
book interesting enough to finish in one day
but for this world's goods, and there'll be more of them one day
By day, however, Schiefer acted like one of the good guys.
Defying analysis, the mystery of inner life may one day cease to trouble us.
Each day of use of a ticket constitutes one full day of use
eating one meal in a day
"Enjoy the rest of your holiday!" on one day holiday?
Ever since Day One, Trump has hurt himself (repeatedly?)
every one minute/ hour/ day/ month
extend my stay <for> one more day
For my day's work had been an exhausting one
for the day vs one day
more...

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