expectancy

noun

ex·​pec·​tan·​cy ik-ˈspek-tən(t)-sē How to pronounce expectancy (audio)
plural expectancies
1
a
: the act, action, or state of expecting
the strange expectancy that getting on any train gives usJohn Updike
b
: the state of being expected
occurs with an expectancy slightly greater than usual
2
a
: something expected
their belief led to an expectancy
b
: the expected amount (as of the number of years of life) based on statistical probability
life expectancy

Examples of expectancy in a Sentence

that feeling of optimistic expectancy that fills theatergoers as they wait for the curtain to rise
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, a longer expectancy leads to a slower transfer of wealth and power compared to previous generations. Kian Bakhtiari, Forbes.com, 25 May 2025 The drop spelled out by the Centers for Disease Control and Prevention is due mainly to … Continue reading US life expectancy in 2020 saw biggest drop since WWII Hartford Courant 0 Comments Connecticut ranks fifth for life expectancy for women and ninth for life expectancy for men. Angela Eichhorst, Hartford Courant, 10 May 2025 Williams entered the ninth inning with a 2-1 lead, a situation in which the Yankees held a 72 percent win expectancy, and proceeded to allow a single, a hit batsman, and a two-run double to cough up the lead. Jon Vankin, MSNBC Newsweek, 1 May 2025 Additionally, expectancy violation theory, as highlighted in the study, explains this cycle. Mark Travers, Forbes.com, 5 Apr. 2025 See All Example Sentences for expectancy

Word History

First Known Use

1600, in the meaning defined at sense 1a

Time Traveler
The first known use of expectancy was in 1600

Browse Nearby Words

Cite this Entry

“Expectancy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expectancy. Accessed 13 Jun. 2025.

Kids Definition

expectancy

noun
ex·​pect·​an·​cy
ik-ˈspek-tən-sē
plural expectancies
1
2
: the expected amount (as of years of life) based on statistical probability
life expectancy

Medical Definition

expectancy

noun
ex·​pec·​tan·​cy -ˈspek-tən-sē How to pronounce expectancy (audio)
plural expectancies
: the expected amount (as of the number of years of life) based on statistical probability see life expectancy

Legal Definition

expectancy

noun
ex·​pec·​tan·​cy
plural expectancies
: something expected: as
a
: an interest held by a person who may receive something (as a bequest) in the future but has no enforceable right to it
b
: the benefit that will be received from a contract if performed

More from Merriam-Webster on expectancy

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