# hardrock

> English word · Noun

## Definitions
1. Rock containing ore from which minerals are extracted.
2. Solid, nonporous rock.
3. A type of concrete that contains relatively small amounts of aggregate relative to the amount of cement.
4. An unregenerate criminal; a bully boy.

## Etymology
From hard + rock.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hardrock