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
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
The sine qua non for achieving this objective is assurances from Iran about its regional power projection, such as a commitment to not support nonstate actors financially or militarily on the Arabian Peninsula.
—Ali Vaez, Foreign Affairs, 8 May 2023
Goleman underscored its importance, noting that while IQ and technical skills are crucial, emotional intelligence is the sine qua non of leadership.
—Paola Cecchi-Dimeglio, Forbes, 16 Feb. 2024
See All Example Sentences for sine qua non
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
The sine qua non for achieving this objective is assurances from Iran about its regional power projection, such as a commitment to not support nonstate actors financially or militarily on the Arabian Peninsula.
—Ali Vaez, Foreign Affairs, 8 May 2023
Goleman underscored its importance, noting that while IQ and technical skills are crucial, emotional intelligence is the sine qua non of leadership.
—Paola Cecchi-Dimeglio, Forbes, 16 Feb. 2024
See All Example Sentences for sine qua non
Recent Examples of Synonyms for sine qua non
Noun
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For connoisseurs, the pairing menus are a must, blending storytelling and flavor with seamless precision.—
Rai Mincey,
Forbes.com,
24 Apr. 2025
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Parental monitoring a must, chief says Mooresville police conducted a similar sting in May 2024 called Operation Artemis, which led to 15 arrests.—
Joe Marusak,
Charlotte Observer,
24 Apr. 2025
Noun
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India's import licensing requirements, foreign direct investment caps, and state-run trading monopolies control who can do business and under what terms.—
Garth Friesen,
Forbes.com,
27 Apr. 2025
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The announcement came shortly after President Trump expressed his support for the district, in Massapequa, N.Y., in its fight against complying with a state Board of Regents requirement that all districts abandon mascots that appropriate Native American culture or risk losing state funding.—
Ed Shanahan,
New York Times,
26 Apr. 2025
Noun
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One of the key messages in his book is the necessity for leadership to take an active role in cybersecurity governance.—
William Jones,
USA Today,
1 May 2025
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Last season, out of necessity, Guhle played on the right side a lot, oftentimes with Matheson, so there would be some familiarity there.—
Arpon Basu,
New York Times,
30 Apr. 2025
Cite this Entry
“Sine qua non.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sine%20qua%20non. Accessed 5 May. 2025.
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