eat up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To consume completely.
Where it’s used:
Used
American English
Examples
He was so hungry that he ate up everything on his plate.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To cause (someone) to obsess; to figuratively consume (someone).
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
To subtract, use up.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “eat up” mean?
To consume completely.
Is “eat up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.