B1noun1K

UK//ˈθɪəri//US//ˈθɪəri//

Meaning of Theory

In simple words: An idea or explanation that tries to explain something.

Theory in a sentence

How to use Theory

Grammar pattern

standalone noun

Memory hint

Think of 'theory' as a 'thought' - both start with 'th'.

Related words

Collocations with Theory

  • scientific theory
  • theory of relativity
  • theory in practice
  • theory and practice

Opposites of Theory

Common mistakes with Theory

  • Confused with 'hypothesis'; a theory is more established.
  • Incorrectly used to mean 'theory' as just a guess or opinion.

Compare Theory with Hypothesis, Principle, Model, Framework, Concept

Theory appears in

Theory in other languages

More words like Theory

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Frequently asked questions about Theory

What does Theory mean?

An idea or explanation that tries to explain something.

What is the definition of Theory?

A set of principles or ideas intended to explain something.

How do you use Theory in a sentence?

Einstein's theory of relativity revolutionized our understanding of space and time.

Can you give another example of Theory?

The theory of evolution explains the diversity of life on Earth.

What are synonyms for Theory?

Common alternatives include hypothesis, principle, model, framework, concept.

What is the opposite of Theory?

Opposite meanings include fact, truth.

What words go with Theory?

It commonly pairs with scientific theory, theory of relativity, theory in practice, theory and practice.

What are common mistakes when using Theory?

Confused with 'hypothesis'; a theory is more established. Incorrectly used to mean 'theory' as just a guess or opinion.

How do you pronounce Theory?

US: //ˈθɪəri//, UK: //ˈθɪəri//. Listen to the audio above to hear native pronunciation.

When should I use Theory?

Used in academic and everyday contexts. Avoid in casual conversations unless discussing ideas or concepts.

What CEFR level is Theory?

"Theory" is at B1 level on the CEFR scale.