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

The hotel’s design concept weaves a story around the fictional historic Lamarck University, an homage to the French evolutionary theorist, which was supposedly founded in 1894, then abandoned in the 1940s, and ultimately restored by Marriott. — Condé Nast, Condé Nast Traveler, 15 July 2026

Alien theorists have considered this spot to be a sort of maritime Area 51. — Andrea Romano, Travel + Leisure, 15 July 2026

Biologists ranging from the evolutionary theorist Ernst Mayr to the pioneer of molecular biology Jacques Monod have acknowledged that. — Quanta Magazine, 8 July 2026

The world that these theorists foresaw half a century ago is now here. — Rose Horowitch, The Atlantic, 8 July 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