a proposition stated or put forward for consideration, especially one to be discussed and proved or to be maintained against objections: He vigorously defended his thesis on the causes of war.
a subject for a composition or essay.
a dissertation on a particular subject in which one has done original research, as one presented by a candidate for a diploma or degree.
Music. the downward stroke in conducting; downbeat.: Compare arsis (def. 1).
a part of a metrical foot that does not bear the ictus or stress.
(less commonly) the part of a metrical foot that bears the ictus.: Compare arsis (def. 2).
Philosophy. See under Hegelian dialectic.
Thesis with the meaning “a proposition put forward to be discussed, proved, or defended” appeared in 1579; the more specific meaning “a dissertation required for an academic degree” dates from the second half of the 17th century. These meanings developed from the rhetorical sense in Latin and Greek.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thesis in a sentence
We have already seen (p. xxi) that this was one of the important theses of the Muʿtazilite Kalam.A History of Mediaeval Jewish Philosophy | Isaac Husik
In 1597 he maintained public theses in Mathematics, Philosophy, and Law with the highest applause.The Life of the Truly Eminent and Learned Hugo Grotius | Jean Lvesque de Burigny
The theses on indulgences having brought him to the knowledge of the truth, he had forthwith made a bold profession of the faith.History of the Reformation in the Sixteenth Century, Vol 2 | J. H. Merle D'Aubign
He went to Wittenberg, in his innocence, intending to tack on the church-door there his theses.Little Journeys to the Homes of the Great - Volume 12 | Elbert Hubbard
I think it in very bad taste, always impertinent, and often pedantic, to attempt to prove theses by writing stories.Pepita Ximenez | Juan Valera
British Dictionary definitions for thesis
a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma
a doctrine maintained or promoted in argument
a subject for a discussion or essay
an unproved statement, esp one put forward as a premise in an argument
music the downbeat of a bar, as indicated in conducting
(in classical prosody) the syllable or part of a metrical foot not receiving the ictus: Compare arsis
philosophy the first stage in the Hegelian dialectic, that is challenged by the antithesis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cultural definitions for thesis
The central idea in a piece of writing, sometimes contained in a topic sentence.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.