con·​stan·​cy | \ ˈkän(t)-stən(t)-sē How to pronounce constancy (audio) \
plural constancies

Definition of constancy

1a : steadfastness of mind under duress : fortitude
2 : a state of being constant or unchanging

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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 Sanders’s constancy, in the face of opportunism and hypocrisy from both Republicans and Democrats, was the point. Benjamin Wallace-wells, The New Yorker, "Bernie Sanders, the Democratic Front-Runner," 1 Feb. 2020 Anyone who has a tenure as long as Bob’s carries two virtues: constancy and loyalty, both of which are of a very high value and high importance to me and to this parish. Thomas Farragher,, "‘He’s the glue who holds it all together’," 24 Dec. 2019 Still, constancy is relative term for a digital generation. Arit John, New York Times, "The Future Teen Stars of America Live on TikTok," 9 Oct. 2019 The color is an anchor offering stability, constancy and connection, said Laurie Pressman, vice president of the global purveyors of color consulting, trendspotting and analysis. Author: Leanne Italie, Anchorage Daily News, "Classic Blue is Pantone Color Institute’s color of the year," 5 Dec. 2019 The color is an anchor offering stability, constancy and connection, said Laurie Pressman, vice president of the global purveyors of color consulting, trendspotting and analysis. Leanne Italie,, "Classic Blue is Pantone Color Institute's color of the year," 5 Dec. 2019 Parker’s justification was about performance as much as constancy: Bobo had taken the Rams to bowl games in three straight seasons, becoming the first CSU coach to do so since Sonny Lubick’s five consecutive postseason appearances from 1999-2004. Sean Keeler, The Denver Post, "Mike Bobo out after 5 seasons as CSU Rams football coach," 4 Dec. 2019 Compare that to the leadership, constancy amid struggles and lack of excuse-making Dolphins coach Brian Flores has shown in facing bigger problems and more dynamic roster changes. Dave Hyde,, "Hyde: Tannehill’s success, Gase’s failure and lesson for these Dolphins | Commentary," 4 Dec. 2019 There’s a reward in smart constancy and the Heat once again has shown why in rebuilding on the fly with the kind of integrity others forfeited. Dave Hyde,, "Hyde: Riley not yet trusting the Heat rebuild every other team in town should covet | Commentary," 19 Nov. 2019

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

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

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Time Traveler for constancy

Time Traveler

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

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Statistics for constancy

Last Updated

11 Feb 2020

Cite this Entry

“Constancy.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2020.

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More Definitions for constancy


How to pronounce constancy (audio)

English Language Learners Definition of constancy

: the quality of staying the same : lack of change
: the quality of being loyal to a person or belief


con·​stan·​cy | \ ˈkän-stən-sē How to pronounce constancy (audio) \

Kids Definition of constancy

: firmness and loyalty in beliefs or personal relationships

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