less than half of the total votes cast but more than the minimum required to win, as when there are more than two candidates or choices.
less than half the number of voters registered.
Compare absolute majority.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for simple majority
Contemporary Examples of simple majority
That's the only kind of vote that Harry Reid & Co. would seek to permit passage on a simple-majority basis.The Nuclear Senate
July 15, 2013