pro·​fes·​sor | \prə-ˈfe-sər \

Definition of professor 

1 : one that professes, avows, or declares

2a : a faculty member of the highest academic rank at an institution of higher education

b : a teacher at a university, college, or sometimes secondary school

c : one that teaches or professes special knowledge of an art, sport, or occupation requiring skill

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Other Words from professor

professorial \ ˌprō-​fə-​ˈsȯr-​ē-​əl , ˌprä-​ \ adjective
professorially \ -​ē-​ə-​lē \ adverb
professorship \ prə-​ˈfe-​sər-​ˌship \ noun

Examples of professor in a Sentence

Professor Williams will be teaching the class.

Recent Examples on the Web

All the important discoveries in physics had already been made, the professor assured his young protégé. Tim Folger, Discover Magazine, "How Quantum Mechanics Lets Us See, Smell and Touch," 24 Oct. 2018 The MIT Media Lab professor comfortably straddles the worlds of architecture, art, interaction design, and synthetic biology. Liz Stinson, Curbed, "Watch a swarm of robots build a fiber structure," 12 Oct. 2018 Outraged, the dean and the professors decided to ban Lari entirely from using the university’s computers. Andrada Fiscutean, Ars Technica, "The adventures of lab ED011—“Nobody would be able to duplicate what happened there”," 27 Aug. 2018 The Austrian professor and author came to America after escaping Nazi Germany, bringing his revolutionary methods of therapy and medicine with him., "Kylie Jenner, Crystals & Cults: Inside The Mysterious Orgonite Society," 13 July 2018 Hartman sent a collected dust sample to Thomas Cahill, an Arizona State University science professor, to analyze. Lily Altavena, azcentral, "Controversy in the air as Mesa homeowners decry neighboring asphalt plant’s odors," 11 July 2018 Just being one of the final four under consideration was noteworthy since the longtime Notre Dame Law School professor has been on the federal bench for less than a year. Maureen Groppe, Indianapolis Star, "Barrett passed over for high court, but Donnelly still faces tough choice," 9 July 2018 Fisher's partner in running Connecting with Code is David Mutchler, a Rose-Hulman professor of computer science and software engineering. Billy Kobin, Indianapolis Star, "Rose-Hulman professor hopes to get more girls in STEM by studying the Irish," 10 July 2018 In October 1968 Walter Rodney, the popular Guyana born professor of African History at the University of the West Indies, Kingston, and an outspoken advocate for Black Power, was barred from returning to Jamaica. Patricia Meschino, Billboard, "As Reggae Celebrates 50 Years, Some of the Genre's Pioneers Look Back on Its Worldwide Ascent," 1 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'professor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of professor

14th century, in the meaning defined at sense 1

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Statistics for professor

Last Updated

15 Nov 2018

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The first known use of professor was in the 14th century

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More Definitions for professor



English Language Learners Definition of professor

: a teacher especially of the highest rank at a college or university


pro·​fes·​sor | \prə-ˈfe-sər \

Kids Definition of professor

: a teacher especially of the highest rank at a college or university

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