Informal An indefinitely large number: "The crowd cheered wildly . . . as gazillions of balloons poured down from the rafters” ( Tom Shales). (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "gazillion" in a sentence
"Then the Irish handsome brothers, who, it turns out, speak a gazillion different languages Why?"
"To be able to go through the day without being called a gazillion names?"
"I called a gazillion hotels of varying pedigrees but everyone was fully booked because of the Ad Congress."