eat up


ate up; eaten up; eating up; eats up

transitive verb

used to tell someone to start or continue eating
Eat up! Your dinner is getting cold.

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of eat up was in 1942

Cite this Entry

“Eat up.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2024.

More from Merriam-Webster on eat up

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