one day
Definition of one day
1 : at some time in the future One day, it'll happen. You'll see. People may one day be able to take vacations to the moon.
2 : on a day in the past I went to her house one day and had lunch with her. One day, we had a terrible argument.
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Word by Word Definitions
dayplay
: the time of light between one night and the next
: daylight
: daytime
See the full definition of day
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