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

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

For many years after theorists had first looked at this problem, this sort of temperature wasn’t an option—cooling atoms down to such temperatures only became possible in the late 1990s. — Jacek Krywko, ArsTechnica, 11 Sep. 2026

Ken-ichi Kawarabayashi, a graph theorist at Japan’s National Institute of Informatics, was at a conference with Thorup, his longtime collaborator. — Gregory Barber, Quanta Magazine, 10 Sep. 2026

The legal theorist Lani Guinier argued in the nineteen-nineties that winner-take-all elections endangered Black individuals like her, who made up only ten per cent of voters. — Daniel Immerwahr, New Yorker, 31 Aug. 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