expectancy
noun
ex·pec·tan·cy
ik-ˈspek-tən(t)-sē 
plural expectancies
1
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
Synonyms
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
Post-pandemic rebound Life expectancy is trending upward, one of several data points that indicate public health is rebounding since the pandemic.
—
Adriel Bettelheim, Axios, 9 Oct. 2024
In the 20th century, adult life expectancy in the U.S. increased by 30 years, 25 of which can be attributed to public health.
—Arthur L. Kellermann, Forbes, 14 Oct. 2024
Lyapunov exponent and survival time expectancy Jake Parks is a freelance writer and editor who specializes in covering science news.
—Jake Parks, Discover Magazine, 17 Sep. 2024
Michigan ranks 30th out of the 50 states for life expectancy, a new analysis shows.
—Annalise Frank, Axios, 3 Sep. 2024
See all Example Sentences for expectancy 
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Adriel Bettelheim, Axios, 9 Oct. 2024
In the 20th century, adult life expectancy in the U.S. increased by 30 years, 25 of which can be attributed to public health.
—Arthur L. Kellermann, Forbes, 14 Oct. 2024
Lyapunov exponent and survival time expectancy Jake Parks is a freelance writer and editor who specializes in covering science news.
—Jake Parks, Discover Magazine, 17 Sep. 2024
Michigan ranks 30th out of the 50 states for life expectancy, a new analysis shows.
—Annalise Frank, Axios, 3 Sep. 2024
See all Example Sentences for expectancy
Dictionary Entries Near expectancy
Cite this Entry
“Expectancy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expectancy. Accessed 26 Nov. 2024.
Copy CitationMedical Definition
expectancy
noun
ex·pec·tan·cy
-ˈspek-tən-sē
plural expectancies
: the expected amount (as of the number of years of life) based on statistical probability see life expectancy
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