bloc UK /blɒk/US /blɑk/ noun2 •A group of voters or politicians who share common goals.But a huge bloc of non-Hispanic white residents without bachelor’s degrees — 72 percent of the population age 25 or older — has turned the 7th District into Republican turf. — 2020 •A group of countries acting together for political or economic goals, an alliance.Like the iPod and MySpace, the BRICS bloc is a product of the benign optimism of the 2000s. — 2023 formsblocs