* Majority: This is the most common antonym and refers to a group that makes up more than half of a population or a whole.
* Plurality: This refers to the largest group, even if it doesn't make up a majority.
* Dominant: This emphasizes the power or influence held by a larger group.
* Preponderant: This emphasizes the larger quantity or weight of a group.
The best antonym depends on the specific meaning you want to convey.