all-day

adjective
\ˈȯl-ˈdā \

Definition of all-day 

: lasting for, occupying, or appearing throughout an entire day an all-day trip

First Known Use of all-day

1794, in the meaning defined above

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The first known use of all-day was in 1794

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all-day

adjective

English Language Learners Definition of all-day

: lasting throughout the day

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