supermajority

noun

su·​per·​ma·​jor·​i·​ty ˈsü-pər-mə-ˌjȯr-ə-tē How to pronounce supermajority (audio)
-ˌjär-
plural supermajorities
: a majority (such as two-thirds or three-fifths) that is greater than a simple majority
treaty ratification requires a supermajority
Furthermore, it is about even money that soon after Congress convenes in January it will … approve a constitutional amendment to require supermajorities (three-fifths) in both houses of Congress to approve deficit spending.—George F. Will
The company, for instance, has a supermajority clause in its articles of incorporation; 80% of the shareholders must approve any sale or merger.—Joshua Hyatt

Examples of supermajority in a Sentence

Recent Examples on the Web
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.
As speaker, Bacon will oversee a 49-member Democratic supermajority in the House when the legislature reconvenes early next year. — Christa Swanson, CBS News, 8 Nov. 2026 Democrats that year won just 55% of votes cast, but a supermajority of seats — 78 of 118. — The Editorial Board, Chicago Tribune, 8 Nov. 2026 That win, with another flip for Democrats in the 30th District in Springfield, broke the long-standing Republican supermajority in the Senate. — Nathan Pilling, Kansas City Star, 8 Nov. 2026 Nevada Democrats will also gain a supermajority in the Assembly. — Arkansas Online, 7 Nov. 2026 See All Example Sentences for supermajority

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of supermajority was in 1915

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Cite this Entry

“Supermajority.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supermajority. Accessed 11 Nov. 2026.

Legal Definition

supermajority

noun
: a large majority
a provision requiring a supermajority vote — say, 80 % of the common shares instead of the usual bare majority rule—R. C. Clark
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