corollary

[kawr-uh-ler-ee, kor-, kuh-rol-uh-ree]

noun

plural

corollaries 

1. Mathematics.,  a proposition that is incidentally proved in proving another proposition.

2. an immediate consequence or easily drawn conclusion.

3. a natural consequence or result.

corollary

/ kəˈrɒlərɪ /

noun

1. a proposition that follows directly from the proof of another proposition

2. an obvious deduction

3. a natural consequence or result

adjective

1. consequent or resultant

corollary

1. A statement that follows with little or no proof required from an already proven statement. For example, it is a theorem in geometry that the angles opposite two congruent sides of a triangle are also congruent. A corollary to that statement is that an equilateral triangle is also equiangular.

Word History and Origins

Origin of corollary¹

1325–75; Middle English < Late Latin corollārium corollary, in Latin: money paid for a garland, a gift, gratuity. See corolla, -ary

Word History and Origins

Origin of corollary¹

C14: from Latin corollārium money paid for a garland, from Latin corolla garland, from corōna _crown

Example Sentences

I’ve found a corollary—sadness plus exhaustion equals laughter—often holds true, and you don’t have to wait long.

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The increasing opacity of these financing structures has led to a corollary collapse in collateral verification.

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“The corollary benefit to the United States is control, inasmuch as the U.S. might not want the Ukrainians putting this through the window of the Kremlin.”

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The corollary to Joe Francis’ assertion that “people want to buy naked women” is that buyers these days seem to care less and less about ethical sourcing and the enthusiastic participation of sellers.

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For most school officials up and down the state, a necessary corollary to that right is safeguarding students’ guardians and close relatives.

Read more on Los Angeles Times

Related Words

• analogy 
• upshot