cornerstone - Master This Word
Master this word with our 5-step learning method – Learn English in English
cornerstone Word Meanings
- a fundamental basis or principle
- an important part of a structure
- a starting point for a project or idea
cornerstone Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
cornerstone Phonetic & Pronunciation
UK
/ˈkɔːnəstəʊn/
US
/ˈkɔrnərstoʊn/
cornerstone Word Etymology
cornerstone = corner + stone; Historical origin: Old English 'corners' + 'stan' → Middle English → Modern English. Memory image: Imagine a giant stone placed at the corner of a building, symbolizing stability, like a strong foundation supporting the structure.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Cornerstone is a metaphor from construction that refers to a fundamental basis or principle that supports a project, organization, or idea and influences decisions long after it is set. It signals a bedrock that shapes decisions, plans, and priorities far into the future. Used in business, education, and policy, the cornerstone is the central value or pillar that everything else depends on. It is not a casual component but a durable, defining element. Learners often mistake it for a generic foundation and miss the emphasis on importance and longevity. When you use it, emphasize stability, guiding influence, and long-term impact, as in the cornerstone of our strategy.
Usage Reminders
- - Use cornerstone for a fundamental, long-lasting element.
- - Pair it with verbs like 'is' or 'forms' to show central role.
- - Avoid treating it as just a basic or ordinary part.
- - Contrast with more transient factors when discussing strategy.
- - Remember the phrase the cornerstone of to emphasize priority.
Common Misconceptions
- It refers only to a physical stone.
- It means the plan is brand new rather than stable.
- It is interchangeable with 'foundation' without nuance.
- It must be the very first step in any project.
- It implies a small or decorative element rather than a major pillar.
Thinking Differences
English speakers often highlight cornerstone as a long-lasting, central pillar rather than a mere component; learners may over- or understate its importance depending on context.
Learning Tips
- Learn common collocations: cornerstone of, cornerstone in, cornerstone for.
- Compare with synonyms: foundation, bedrock, pillar.
- Visualize with a building image to remember its metaphor.
- Practice distinguishing long-term impact vs short-term factors.
- Create 5 example sentences in policy, business, and education contexts.
- Review errors by rewriting sentences with stronger emphasis on centrality.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the meaning of the word 'cornerstone'?
A.A building material
B.An airborne vehicle
C.A fundamental principle
D.A cooking utensil
Step 2: Usage
Which sentence uses the word 'cornerstone' correctly?
A.The cornerstone broke into pieces.
B.She built her business on the cornerstone of integrity.
C.The dog chased the cornerstone.
D.The dancers performed on the cornerstone.
Step 3: Similar Words
Which word is most similar to 'cornerstone'?
A.Brick
B.Foundation
C.Puzzle
D.Tree
Step 4: Opposite Words
What is the opposite of 'cornerstone'?
A.Expendable
B.Essential
C.Integral
D.Crucial
Step 5: Mastery
Can you give an example of a real-life scenario of 'cornerstone'?
A.The key ingredient in a family recipe
B.The foundation of a successful marriage
C.Important part of a jigsaw puzzle
D.The main character in a movie
Related Listening
🌱 Lite (Beginner)
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