theorist

noun

the·​o·​rist ˈthē-ə-rist 

ˈthir-ist

: a person who theorizes

Examples of theorist in a Sentence

Recent Examples on the Web

Each chandelier is masked with multiple layers of cooling cylinders that cool the system down to -273 degrees Celsius, or nearly -460 Fahrenheit, according to principal quantum hardware theorist Edward Chen. — Pera Onal, Baltimore Sun, 23 Sep. 2026

Submissions soon began pouring in from around the world, including everyone from career number theorists to hobbyists who may have had to look up what a Galois group was, with work powered by everything from AI to stubborn human brainpower. — Lyndie Chiou, Scientific American, 22 Sep. 2026

Acevedo himself functions as both the book’s moral authority and its political theorist. — Kathryn Schulz, New Yorker, 21 Sep. 2026

Campt is a feminist theorist of visual culture and contemporary art and an art history professor at Princeton University. — Maximilíano Durón, ARTnews.com, 17 Sep. 2026

Word History

First Known Use

1588, in the meaning defined above

Phrases Containing theorist

• conspiracy theorist

Kids Definition

theorist

noun

the·​o·​rist ˈthē-ə-rəst 

ˈthi(-ə)r-əst

: a person who theorizes