con·​stan·​cy ˈkän(t)-stən(t)-sē How to pronounce constancy (audio)
plural constancies
: steadfastness of mind under duress : fortitude
: a state of being constant or unchanging

Examples of constancy in a Sentence

the constancy of the Earth's rotation the mistaken notion that there is constancy in language—words do indeed change their meanings over time
Recent Examples on the Web The problem was the seeming inevitability of the juggernaut, the constancy of its forward motion, and the inefficacy of mere individuals in the face of such odds. Christopher Ketcham, Harper's Magazine, 16 Oct. 2023 Sign up The point is not to lionize Haley, whose timidity in the face of Trump has made a weather vane seem like a model of principled constancy. Walter Shapiro, The New Republic, 31 Aug. 2023 The clothes are designed to emphasize the perfection and constancy of her performance, rather than some connection to contemporary trends. Rachel Tashjian, Washington Post, 13 July 2023 The background of sunflowers symbolizes the constancy of the North Star as Tubman’s unwavering faith. Jacoba Urist, Smithsonian Magazine, 26 June 2023 At once funny, scary and disarmingly moving, this must-see production lets Stephen Sondheim and Hugh Wheeler’s Gothic revenge tragedy of a musical howl anew with the agony of human injustice and the ameliorating constancy of love. Chris Jones, Chicago Tribune, 26 Mar. 2023 The conversations feel at once casual and meaningful; the ever shifting backgrounds highlight the constancy of the central relationship. Hannah Saidiner, The New Yorker, 15 Mar. 2023 The remarkable constancy of these claims over time is due, in part, to the fact that vaccines raise legitimately complicated and enduring questions about how much autonomy any individual should surrender for the greater good and how to apportion risk between individuals and society. New York Times, 25 May 2022 Curtis is known for her loyalty and constancy. Karen Heller, Washington Post, 28 Feb. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'constancy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of constancy was in the 15th century

Dictionary Entries Near constancy

Cite this Entry

“Constancy.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

Kids Definition


con·​stan·​cy ˈkän(t)-stən-sē How to pronounce constancy (audio)
plural constancies
: firmness and loyalty in one's beliefs or personal relationships
: freedom from change

More from Merriam-Webster on constancy

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