Also rollup something, as a carpet or window shade, that can be rolled up when not in use.
Informal. an increase, as in value or cost.
to form or cause to form a cylindrical shape
(tr) to wrap (an object) round on itself or on an axis
to roll up a map
informal (intr) to arrive, esp in a vehicle
(intr) to proceed or develop
(intr) to assemble; congregate
informal a cigarette made by hand from loose tobacco and cigarette paper
(in the 19th century) a mass meeting of workers on an issue of common concern
archaic the attendance at any fixture
they had a good roll-up
Accumulate, as in He rolled up a fortune in commodity trading , or She rolled up a huge number of votes in this district . [Mid-1800s]
Arrive in a vehicle, as in They rolled up in a taxi at exactly eight o'clock .
What does roll-up mean? A roll-up is something that can be easily rolled into a cylinder, such as a rug or a window shade. Informally, a roll-up is also an increase, such as with a roll-up cost. Roll-up can also be spelled rollup. Roll up means to wrap an object around itself or on an axis, as with a map. Informally, roll up can also mean to arrive, especially in a vehicle. Example: Roll up that blanket and throw it in the picnic basket.
First recorded in 1745–55; noun use of verb phrase roll up
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It acted like a traditional roll-up company using inflated shares as currency to fund an acquisition spree.
From The Wall Street Journal • Jul. 6, 2026
When police opened the roll-up door, they found 21 Cavalier King Charles Spaniels confined inside, several of which were pregnant.
From Los Angeles Times • Jun. 14, 2026
And the bench of venture-backed AI roll-up companies has expanded in recent years to include companies like London-based Dwelly, which acquires property-management companies, and San Francisco-based Crescendo, which focuses on call centers.
From The Wall Street Journal • Jun. 9, 2026
QXO, the building products roll-up founded by billionaire Brad Jacobs, announced on Sunday that it would acquire insulation firm TopBuild for $17 billion, expanding its capabilities across the building products value chain.
From Barron's • Apr. 20, 2026
A grocery store down the block is opening its roll-up doors for business as the moon hangs high above this bank up ahead.
From "They Both Die at the End" by Adam Silvera
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
