boulder

/ˈbəʊl.də(ɹ)/

Proposed by a contributor, not yet supported by evidence.

Also seen as: boulders · bouldering · bouldered

Sense 1

Meaning · English

A large mass of stone detached from the surrounding land.

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

A particle greater than 256 mm in diameter, following the Wentworth scale

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 3

Meaning · English

To engage in bouldering.

Verb

Examples

He bouldered a route in the same area with ease. Mitchell, 11, was hanging with the older kids in an area where bouldering nearly upside down seemed to be....

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “boulder” mean?

A large mass of stone detached from the surrounding land.

Is “boulder” formal or informal?

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

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