eat up
Britishverb
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(also intr) to eat or consume entirely: often used as an exhortation to children
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informal to listen to with enthusiasm or appreciation
the audience ate up the speaker's every word
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informal (often passive) to affect grossly
she was eaten up by jealousy
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informal to travel (a distance) quickly
we just ate up the miles
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Consume completely, as in No television until you eat up your dinner , or This quarter's expenses have eaten up all my spare cash . The literal use (first example) dates from the early 1500s, the figurative from the early 1600s.
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Enjoy avidly, as in She simply eats up the publicity . [Late 1800s]
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Believe unquestioningly, be gullible, as in He'll eat up whatever the broker tells him . [ Slang ; early 1900s]
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Defeat completely, as in This new fighter just eats up every opponent . [ Slang ; c. 1830]
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See eat out , def. 2.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In some regions, insurance costs eat up an even bigger chunk of budgets.
From MarketWatch ● Sep. 9, 2026
The logical thought: The Dodgers had found a healthy arm to eat up some innings until they could find someone better.
From Los Angeles Times ● Jun. 22, 2026
Deadline's Pete Hammond said the film "falls short of giving any new insights", but said Jaafar Jackson "dazzles" in a film that fans would "eat up".
From BBC ● Apr. 21, 2026
A newly minted dentist earns around $150,000 or more, but student loans eat up a lot of their take-home pay, especially in the early years.
From The Wall Street Journal ● Mar. 26, 2026
A tangible surprise that doesn’t eat up gigs on my phone.
From "Internment" by Samira Ahmed
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.