as in must
something necessary, indispensable, or unavoidable
an extensive grounding in mathematics is a sine qua non for a career in architecture
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Recent Examples of sine qua non
Some are fast to embrace the admittedly exciting bold new possibilities of Artificial Intelligence as the future sine qua non of effective schooling.
—
Vicki Phillips, Forbes, 15 Jan. 2025
Season 2 fulfills this sine qua non with deceptive ease.
—Alison Herman, Variety, 7 Jan. 2025
Frequency Becomes Unstable Frequency is the sine qua non of all electrical systems, from microgrids to the national grid.
—Llewellyn King, Forbes, 22 Nov. 2024
This consensus mechanism is a sine qua non for verifying transactions without relying on a central authority.
—Gary Weinstein, Forbes, 22 Nov. 2024
See All Example Sentences for sine qua non
Vicki Phillips, Forbes, 15 Jan. 2025
Season 2 fulfills this sine qua non with deceptive ease.
—Alison Herman, Variety, 7 Jan. 2025
Frequency Becomes Unstable Frequency is the sine qua non of all electrical systems, from microgrids to the national grid.
—Llewellyn King, Forbes, 22 Nov. 2024
This consensus mechanism is a sine qua non for verifying transactions without relying on a central authority.
—Gary Weinstein, Forbes, 22 Nov. 2024
See All Example Sentences for sine qua non
Recent Examples of Synonyms for sine qua non
Noun
-
If Google does plan to merge the new platforms, having flagship Google hardware on hand is a must.—
Julian Chokkattu,
Wired News,
19 July 2025
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Healthcare is among the best in South America, especially in the larger cities, and far cheaper than in the U.S., but private insurance is a must.—
William P. Barrett,
Forbes.com,
19 July 2025
Noun
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Among the new regulations, the most consequential are: 1) the requirement that climbers must summit at least one 7,000-meter (22,965-foot) peak in Nepal before applying for a permit for Mount Everest, and 2) the ban on solo expeditions on Mount Everest and all other 8,000-meter (26,247-foot) peaks.—
Emese Maczko,
Forbes.com,
8 July 2025
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The lawsuit claims the picnics are charitable expressive conduct and acts of peaceful assembly, and argues Tempe's permit requirements violate the advocates' First and 14th Amendment rights, which protect freedom of speech and assembly, and ensure due process and equal protection under the law.—
Taylor Seely,
AZCentral.com,
8 July 2025
Noun
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Pool had been working non-stop since the flood, seeming to be powered by a mix of necessity and purpose.—
Rachel Monroe,
New Yorker,
11 July 2025
-
From knick-knacks to necessities, since the 80s, Boulevard Drive-in’s Swap ‘n’ Shop has built a community with its open market.—
Zuri Primos
July 11,
Kansas City Star,
11 July 2025
Cite this Entry
“Sine qua non.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sine%20qua%20non. Accessed 22 Jul. 2025.
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