# bedrock

/ˈbɛˌdɹɑk/ (US) · /bˈɛdɹɒk/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/bedrock
Updated: 2026-05-07

## Definition

the solid rock that lies under the loose soil on the ground. It also means the basic ideas or facts that support a whole system.

For teachers: the solid rock underlying surface materials such as soil or gravel; figuratively, the fundamental principles on which something is based.

## Examples

- Honesty is the bedrock of a good relationship.
- The engineers had to drill deep into the earth to anchor the skyscraper's foundation into the bedrock.
- The principle of free speech is considered the bedrock of democratic society, providing the essential framework for all other civil liberties to function effectively.

## Usage notes

- Often used figuratively with the preposition 'of' to describe a foundation for abstract concepts.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.