flatten down
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To become or make (something) flat.
Register: informal
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “flatten down” mean?
To become or make (something) flat.
Is “flatten down” formal or informal?
flatten down is generally informal.