Theorist

ˈθɪərɪst

nounmediumCommonBusiness

Definitions

1

A person who creates or studies theories.

ˈθɪərɪst

nounneutralmedium
Business

A person who formulates and develops theories, especially in a particular subject.

The economist is a well-respected theorist whose ideas have shaped fiscal policy.

💡 Simply: Imagine someone who loves to come up with ideas and explanations about how things work, like a scientist with brilliant ideas. They're a theorist! For example, a scientist who explains why the sky is blue is a type of theorist, and one who develops new ideas in economics is also a theorist.

👶 For kids: Someone who has big thoughts and ideas about how things work and shares those ideas.

More Examples

2

Einstein was not only an experimental physicist, but also one of the greatest theorists of the 20th century.

How It's Used

Science

"The physicist is a renowned theorist in the field of quantum mechanics."

Politics

"A political theorist analyzed the causes of the revolution."

From Greek *theōria* (contemplation, speculation), via Latin, ultimately referring to someone who develops or advances a theory.

The word *theorist* has been used since the mid-18th century to describe someone engaged in theoretical work, often in scientific or philosophical contexts.

Memory tip

Think of 'theory' and add '-ist' for the person who works with theories.

theroristtheoristt

Usage

40%Spoken
60%Written