supermajority

[soo-per-muh-jawr-i-tee, -jor-]
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noun, plural su·per·ma·jor·i·ties.

a majority that must represent some percentage more than a simple majority.
a majority greater than a specified number, as 60%, of the total: required to pass certain types of legislation, override vetos, etc.

Origin of supermajority

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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