solid as the Rock of Gibraltar

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

Meaning · English

Utterly solid, firm, or reliable.

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 “solid as the Rock of Gibraltar” mean?

Utterly solid, firm, or reliable.

Is “solid as the Rock of Gibraltar” formal or informal?

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