English · Phrasal verb Attested

round down

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To round (a number) to the greatest integer that is not greater than it, or to some other lower value, especially a whole number of hundreds, thousands, etc.

Where it’s used: Used American English

Examples

The total is $25,715, but to keep the figures simple, I'll round it down to $25,000.

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).

Common questions

What does “round down” mean?

To round (a number) to the greatest integer that is not greater than it, or to some other lower value, especially a whole number of hundreds, thousands, etc.

Is “round down” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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