The phrase "a sizable bloc of" is correct and usable in written English.
It can be used to refer to a significant group of people or entities that share a common interest or goal, often in a political or social context.
Example: "A sizable bloc of voters supported the new policy, indicating a shift in public opinion."
Alternatives: "a substantial group of" or "a significant portion of".
Macri's party doesn't control the lower house of Congress, which has a sizable bloc of lawmakers still loyal to his predecessor.
The bill was the first in some time to draw a sizable bloc of Republicans in the polarized Senate, an indication that some Republicans acknowledge they cannot stand in blanket opposition to Democrats on economic matters.
He may have fattened the bank accounts of a sizable bloc of Academy members — some three thousand people drew "Avatar" paychecks — but that doesn't mean that they all long to recrown him king of the world.
Ms. Khakamada said opinion polls indicated that a sizable bloc of Russians favored a European-style democracy, even if they had grown disillusioned during the erratic transition from Soviet rule.
When Linda Dresner closed her influential luxury boutique on Park Avenue at the end of 2008, a sizable bloc of her sales staff was hired by Mr. Lam to provide the rare vibrations they had cultivated for precisely that crowd.
BAGHDAD — Moktada al-Sadr, the anti-American cleric in exile with a sizable bloc of followers in Iraq's new Parliament, took his first direct public step into the country's protracted political impasse on Monday, meeting in Syria with Prime Minister Nuri Kamal al-Maliki's top rival to lead a new government.
CURRENTLY relegated to the ranks of the "patriotic opposition," with a sizable bloc in Parliament, the Russian Communist Party remains a presence on the streets of Moscow, where its supporters still turn out to march, wave red banners and jeer the West.
It represents a sizable bloc that, in theory, should fall to Mr. Thompson.
It's generally assumed that a big part of Romney's problem four years ago had to do with his Mormonism, which presented a hurdle for South Carolina's sizable bloc of evangelical Christians.
With respect to Mr Sullivan I side with E.G.; while Mr Perry might choose to enter the race and might do quite well, there is no sizable bloc of Republican voters who would be unrepresented or left without a choice should he decide to remain in Texas.
However, the senator -- with his loose network of followers, his sizable bloc of delegates and with Gore's offer in his pocket -- should have more than a little leverage at this summer's G.O.P. Convention.
