Try Our Apps


Avoid these words. Seriously.


[kawr-uh-ler-ee, kor-; especially British, kuh-rol-uh-ree] /ˈkɔr əˌlɛr i, ˈkɒr-; especially British, kəˈrɒl ə ri/
noun, plural corollaries.
Mathematics. a proposition that is incidentally proved in proving another proposition.
an immediate consequence or easily drawn conclusion.
a natural consequence or result.
Origin of corollary
1325-75; Middle English < Late Latin corollārium corollary, in Latin: money paid for a garland, a gift, gratuity. See corolla, -ary Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for corollary
Contemporary Examples
Historical Examples
  • He could turn back; he must turn back; and as a corollary the Leopard Woman must turn back with him!

    The Leopard Woman Stewart Edward White
  • I waited for the corollary, “and been loved in return,” but it did not come.

    The First Violin Jessie Fothergill
  • The corollary is equally true: in order to eat it is necessary to pay.

    The Wall Street Girl Frederick Orin Bartlett
  • The love of liberty is the corollary of the right of consent to government.

  • "The Doss-house" is at most the corollary of this revolution.

    Maxim Gorki

    Hans Ostwald
British Dictionary definitions for corollary


noun (pl) -laries
a proposition that follows directly from the proof of another proposition
an obvious deduction
a natural consequence or result
consequent or resultant
Word Origin
C14: from Latin corollārium money paid for a garland, from Latin corolla garland, from corōnacrown
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
Cite This Source
Word Origin and History for corollary

late 14c., from Late Latin corollarium "a deduction, consequence," from Latin corollarium, originally "money paid for a garland," hence "gift, gratuity, something extra;" and in logic, "a proposition proved from another that has been proved." From corolla "small garland," diminutive of corona "crown" (see crown (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
corollary in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Nearby words for corollary

Word Value for corollary

Scrabble Words With Friends