Extend and Summate

Opposite meaning words

Extend verb - To make longer.

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Summate is an antonym for extend.

Summate verb - To combine (numbers) into a single sum.

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Extend is an antonym for summate in abridge topic.

Cite this Source

Summate and Extend. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extend/summate

Extend & Summate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extend/summate>.

Summate or Extend. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extend/summate.

Google Ngram Viewer shows how "extend" and "summate" have occurred on timeline