Cornerstone: Definition, Meaning, and Examples

Last Updated on
May 4, 2025

1. Cornerstone (noun): A fundamental principle or foundation.
2. Cornerstone (noun): An essential element or component.
3. Cornerstone (noun): A cornerstone or building block used in architecture.

The term "cornerstone" refers to a foundation or fundamental element upon which something is built or developed. It is widely used metaphorically to describe critical principles or essential components in various contexts, from architecture to abstract concepts like values and beliefs. Read on to explore the intricacies of "cornerstone" in detail.

Definition Of "Cornerstone": What Does "Cornerstone" Mean?

The word "cornerstone" signifies the foundational element of a structure, concept, or system. It carries a figurative meaning in many modern usages, symbolizing the most critical part of something.

Definition Of "Cornerstone": Fundamental Foundation

"Cornerstone" as a foundational principle denotes something indispensable to the integrity of a larger system or idea.

Definition Of "Cornerstone": Essential Component

As an essential component, "cornerstone" refers to an integral part of a system or structure without which it would collapse or lose its function.

Definition Of "Cornerstone": Architectural Element

The literal definition pertains to the cornerstone of a building, traditionally the first stone laid in construction, symbolizing strength and stability.

Parts Of Speech

The term "cornerstone" primarily functions as a noun, describing both literal and figurative foundational elements. Less commonly, it appears in idiomatic expressions where it retains its noun form.

How To Pronounce "Cornerstone"?

The pronunciation of "cornerstone" is simple and straightforward. It is divided into three syllables: "cor," "ner," and "stone." The stress falls on the first syllable, "cor," which rhymes with "core." The second syllable, "ner," sounds like the beginning of "nurse" without the "se" sound. Finally, "stone" is pronounced just like the word "stone" in "milestone." When spoken smoothly, it sounds like "CORE-ner-stone," with emphasis on the first part of the word.

Phonetic Pronunciation: /ˈkɔːr.nər.stoʊn/

Synonyms Of "Cornerstone": Other Ways To Say "Cornerstone"

Synonyms for "cornerstone" provide alternative ways to express its meanings:

  • Foundation
  • Keystone
  • Pillar
  • Basis
  • Bedrock
  • Support
  • Anchor
  • Framework

Antonyms Of "Cornerstone": Other Ways To Say "Cornerstone"

Antonyms for "cornerstone" highlight contrasting ideas:

  • Accessory
  • Extra
  • Triviality
  • Nonessential
  • Superfluity
  • Unimportance

Examples Of "Cornerstone" In A Sentence

Here are ten examples that illustrate the use of "cornerstone" in various contexts:

1. The new policy became the cornerstone of the company's strategic plan.
2. Trust and transparency serve as the cornerstone of any successful relationship.
3. The scientist’s groundbreaking discovery was hailed as the cornerstone of modern physics.
4. The cornerstone of the building bore a plaque with the date of its construction.
5. Education is often referred to as the cornerstone of a thriving society.
6. The architect emphasized the importance of placing the cornerstone with precision.
7. Integrity is the cornerstone of their leadership philosophy.
8. The cornerstone of her career success was her dedication and hard work.
9. The treaty signed by both nations became the cornerstone of long-lasting peace.
10. His unwavering belief in equality is the cornerstone of his activism.

Frequency Of Use

Cornerstone" is frequently encountered in literature, formal writing, and speeches, especially in contexts emphasizing foundational elements or values. Its use is steady across time, with an uptick in metaphorical applications.

Variants Of "Cornerstone"

Variants of "cornerstone" expand on its meanings:

  1. Corner-stone: An older hyphenated form commonly found in historical texts.
  2. Cornerstoning: Rare, describing the act of laying a cornerstone ceremonially.

Related Terms To "Cornerstone"

These terms share a conceptual or metaphorical link with "cornerstone":

  1. Foundation
  2. Framework
  3. Keystone
  4. Structure
  5. Architectural integrity

Etymology: History And Origins Of "Cornerstone"

The word "cornerstone" derives from Middle English *cornour* (corner) and *ston* (stone). Its usage dates back to the 13th century, symbolizing both literal and metaphorical foundations.

Derivatives And Compounds Of "Cornerstone"

Derivatives and compounds show how the word "cornerstone" evolves in different contexts:

  1. Cornerstoned: A rare derivative used to describe something that has been established on a firm foundation.
  2. Metaphorical cornerstone: A compound phrase emphasizing the figurative use of the word in abstract ideas, such as "the metaphorical cornerstone of democracy."

Common Misspellings Of "Cornerstone"

Common errors when spelling "cornerstone":

  1. Cornorstone
  2. Cornerston
  3. Cornarstone

10 Idioms Similar To "Cornerstone"

These idioms reflect the idea of foundational importance:

  1. Bedrock principle
  2. Building block
  3. Heart and soul
  4. Backbone of society
  5. Pillar of strength
  6. Foundation stone
  7. Anchor point
  8. Central pillar
  9. Keystone habit
  10. Mainstay

10 Common Questions About "Cornerstone"

1. What does the term "cornerstone" mean?

The term "cornerstone" refers to a fundamental element or foundation upon which something is built.

2. Is "cornerstone" used in both literal and metaphorical contexts?

Yes, it is used literally in architecture and metaphorically to describe essential principles or components.

3. What is the origin of the word "cornerstone"?

The word "cornerstone" originates from Middle English, combining "corner" and "stone" to describe the foundational stone of a building.

4. Can "cornerstone" refer to a person?

Yes, it can metaphorically describe a person who is essential to the success or stability of an organization or group.

5. How is "cornerstone" used in religious contexts?

In religious contexts, "cornerstone" often symbolizes Christ as the foundation of faith in Christianity.

6. Is "cornerstone" commonly used in modern speech and writing?

Yes, "cornerstone" is frequently used in both formal and informal contexts to highlight something essential or foundational.

7. What are some synonyms for "cornerstone"?

Some synonyms include foundation, keystone, bedrock, and pillar.

8. Can "cornerstone" be replaced with "keystone" in all contexts?

No, while they share similarities, "keystone" specifically refers to the central stone in an arch, whereas "cornerstone" has a broader application.

9. What role does the cornerstone play in a building's construction?

The cornerstone is traditionally the first stone laid, serving as the reference point for the rest of the structure.

10. How can I use "cornerstone" effectively in my writing?

Use "cornerstone" to emphasize something fundamental or critical to the success or stability of a concept, system, or structure.

Conclusion

The word "cornerstone" refers to a fundamental principle, an essential component, or foundational element in literal and metaphorical contexts. Its versatility makes it a powerful term to describe the critical aspects of structures, ideas, and values. Embrace the word "cornerstone" in your vocabulary to articulate the importance of foundational principles and indispensable elements in various settings.

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