cave in

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

Sense 1

Meaning · English

To collapse inward or downward.

Where it’s used: Used American English

Examples

The roof caved in under the weight of the snow.

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 to collapse inward or downward.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 3

Meaning · English

To relent; to grant approval against one's initial will.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “cave in” mean?

To collapse inward or downward.

Is “cave in” formal or informal?

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