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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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
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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
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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President Donald Trump signed an executive order earlier this year establishing new national voter identification requirements.—
Karissa Waddick,
USA Today,
26 Apr. 2025
Noun
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Most teachers were volunteers, and the learning communities often farmed to cover basic necessities.—
Johanna K. Taylor,
The Conversation,
18 Apr. 2025
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The star forward’s passing developed partly out of necessity after suffering labrum tears in both shoulders, the right in 2015 and the left in 2017.—
Emily Adams,
Hartford Courant,
17 Apr. 2025
Cite this Entry
“Sine qua non.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sine%20qua%20non. Accessed 1 May. 2025.
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