cor·​ol·​lary | \ ˈkȯr-ə-ˌler-ē How to pronounce corollary (audio) , ˈkär-, -le-rē, British kə-ˈrä-lə-rē \
plural corollaries

Definition of corollary

1 : a proposition (see proposition entry 1 sense 1c) inferred immediately from a proved proposition with little or no additional proof
2a : something that naturally follows : result … love was a stormy passion and jealousy its normal corollary.— Ida Treat
b : something that incidentally or naturally accompanies or parallels A corollary to the problem of the number of vessels to be built was that of the types of vessels to be constructed.— Daniel Marx

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Other Words from corollary

corollary adjective

The Origin and Evolution of Corollary

Corollary comes from the Late Latin noun corollarium, which can be translated as "a garland given as a reward." "Corollarium" comes from the Latin corolla, meaning "small crown or garland." If you know that a garland or small crown was sometimes given to actors in addition to their pay, it makes sense that another sense of "corollarium" is "gratuity." Later, "corollarium" developed the philosophical sense of a supplementary proposition that follows directly from one that has been proved. (You can think of a corollary as a "bonus" that follows from the proof of something else.) The broader modern sense, "something that naturally follows," evolved from the philosophical one.

Examples of corollary in a Sentence

one corollary of the rise of television was a massive makeover of radio's programming increased taxes—or expanding deficits—are the inevitable corollary to any new government spending program
Recent Examples on the Web The corollary of this analysis is the impact of temperature on firms’ workforces. Steven Desmyter, Forbes, 10 Sep. 2021 Blockchains can’t eliminate the risks inherent in investing, which are the necessary corollary of the potential for returns. Kevin Werbach, The Conversation, 5 Aug. 2021 The corollary is that China must restructure its coal industry around big players: giant coal mines and power plants. Mary Hui, Quartz, 27 July 2021 The media’s zeal to compare today’s crisis to the Great Recession has spurred journalists to ignore a crucial corollary to that law of politics: Not every crisis deals the White House the same hand. Rahm Emanuel, WSJ, 18 Apr. 2021 The Inflation Crisis and its corollary, the High-Gas-Price Crisis. Susan B. Glasser, The New Yorker, 22 July 2021 The corollary is that the world will simply have to acquiesce to its burgeoning list of demands, including its maritime claims to the South China Sea and reunification (if necessary by force) with Taiwan. Bret Stephens New York Times, Star Tribune, 6 July 2021 The political corollary was straightforward: If people were out of work, the government should spend money—preferably at a deficit—to create employment. Zachary D. Carter, The New Republic, 17 June 2021 The lab leak hypothesis has an unsettling corollary. WSJ, 28 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'corollary.' 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 corollary

14th century, in the meaning defined at sense 1

History and Etymology for corollary

Middle English correlary, corolarie, borrowed from Late Latin corōllārium, going back to Latin, "garland (given as a reward), unsolicited payment, gratuity," from corōlla "small wreath of flowers" + -ārium -ary entry 1 — more at corolla

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Time Traveler for corollary

Time Traveler

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

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Dictionary Entries Near corollary



corolla tube

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Last Updated

24 Sep 2021

Cite this Entry

“Corollary.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2021.

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More Definitions for corollary



English Language Learners Definition of corollary

: something that naturally follows or results from another thing

More from Merriam-Webster on corollary

Nglish: Translation of corollary for Spanish Speakers

Britannica English: Translation of corollary for Arabic Speakers


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