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

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.

From Salon

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

From Los Angeles Times

Another is a corollary to the first, which is that it may be inadvisable to panic over a short-term Trump-driven downdraft in the markets.

From Los Angeles Times

“What I’m enjoying about ‘Modville’ is that, while it may not be a direct corollary to ‘Blade Runner,’ it has enough of the DNA to make it feel like it’s at least adjacent.

From Los Angeles Times

The second part of that corollary is to leave a place better than I found it.

From Los Angeles Times

Related Words

• analogy 
• upshot