SUMMATION Synonyms: 23 Similar and Opposite Words

summation

noun

(ˌ)sə-ˈmā-shən

Definition of summation

as in sum

a complete amount of something the summation of climatic conditions that affect plant growth

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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.

Recent Examples of summation The Battle of the Gullet is a summation of various micro-conflicts happening simultaneously. — Nick Romano, Entertainment Weekly, 27 May 2026 One way to consider this is that while the percentage growth in prices was higher decades ago, there is a history, as the growing CPI is effectively a summation of all previous price hikes. — Erik Sherman, Forbes.com, 13 May 2026 Gretchen realized that Blue Antiquity was Oscar’s capstone novel, a summation of what my husband believed about life, love, death, and eternity. — Literary Hub, 12 May 2026 Trump is not totally wrong in his summation, but the remedy is bad as redistricting changes are supposed to occur once every 10 years based on population changes. — Gary Franks, Hartford Courant, 3 May 2026 See All Example Sentences for summation

Recent Examples of Synonyms for summation

Noun

The idea is to encourage investment in infrastructure, but a particularly benevolent owner could pour in vast sums that could then be used on the squad.

— Chris Weatherspoon, New York Times, 14 Aug. 2026
This surge in debt issuance — including less-visible forms of leverage — is sharpening the focus on whether the eventual returns from AI infrastructure can justify the vast sums being spent.

— Hugh Leask, CNBC, 14 Aug. 2026

Definition of sum

Noun

During totality, the temperature could briefly fall by 18 degrees Fahrenheit (10 degrees Celsius) before rising rapidly again once the sun reappears.

— Jamie Carter, Forbes.com, 16 Aug. 2026
Nurphoto | Nurphoto | Getty Images A total solar eclipse darkens the skies over northeastern Spain, with Corbera dâEbre, in Tarragona, Spain, on August 12, 2026, among the locations along the path of totality.

— Sawdah Bhaimiya, CNBC, 13 Aug. 2026

Definition of totality

Noun

Each study captures only a sliver of the whole, which may be larger yet.

— Vishal R. Patel, Time, 9 Aug. 2026
Later versions supported natural language-style searches and gave users the sense that the web could finally be approached as an indexable whole, even if the results were still rough around the edges.

— Alan Bradley, ArsTechnica, 7 Aug. 2026

Definition of whole

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summating

summation

summations

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“Summation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/summation. Accessed 21 Aug. 2026.

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Synonyms of summation

noun

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