INFINITY Synonyms: 16 Similar and Opposite Words

infinity

noun

in-ˈfi-nə-tē

Definition of infinity

as in perpetuity

endless time it seemed as though that meeting might extend into infinity

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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 infinity Horse corrals remain in place from the princess’s time there, and an infinity-view deck takes in sunsets over the surrounding mountains. — Abby Montanez, Robb Report, 4 Aug. 2026 Hidden behind high lava rock walls, an infinity saline pool is lined with shaded sun loungers and in-water chaises. — Ben Davidson, Mercury News, 3 Aug. 2026 The year was 2012, and my Brandy Melville infinity-sign T-shirt and American Apparel chiffon maxi skirt were apparently glued to my body. — Sophie Dodd, Travel + Leisure, 1 Aug. 2026 Outdoors, the setting comes with an infinity-edge pool, a swim-up bar, covered terraces and multiple entertaining areas designed to take advantage of the lake-and-golf-course backdrop. — David Caraccio updated July 31, Sacbee.com, 31 July 2026 See All Example Sentences for infinity

Recent Examples of Synonyms for infinity

Noun

States that rewrote old perpetuities rules made these trusts far more practical.

— Michael Gold CFP, Forbes.com, 4 Aug. 2026
The book’s post-apocalyptic setting ennobles its meditations on selfhood and finitude; the narrator’s search for perpetuity is lent an unshakable gravity by her circumstances.

— Katy Waldman, New Yorker, 3 Aug. 2026

Definition of perpetuity

Noun

For a family member, an obit represents an imprimatur, validation by association, a keepsake that maintains their heritage and, perhaps for a generation, prevents their own legacy from vanishing like a walnut in the batter of eternity.

— Sam Roberts, Longreads, 11 Aug. 2026
Going forward, will players be excessively punished for the NCAA’s lack of leadership over the last decade/eternity?

— Jason Kirk, New York Times, 4 Aug. 2026

Definition of eternity

Browse Nearby Words

infinitesimally

infinity

infirm

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

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Synonyms of infinity

noun

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