bulk

1 of 3

noun

ˈbəlk How to pronounce bulk (audio)
 also  ˈbu̇lk
1
a
: magnitude
impressed by the sheer bulk of her accomplishment
b
biology : material that forms a mass in the intestine
especially : fiber sense 1d
need more bulk in their diet
2
a
: body
especially : a large or corpulent human body
he hauled his … bulk out of the armchair Herman Wouk
b
: an organized structure especially when viewed primarily as a mass of material
the giant bulk of Mt. KatahdinJackson Rivers
c
: a ponderous shapeless mass
3
: the main or greater part
spent the bulk of his time in the office
the bulk of the population

bulk

2 of 3

verb

bulked; bulking; bulks

transitive verb

1
: to cause to swell or bulge : stuff
bulk out a report with lots of graphs and charts
2
: to gather into a mass or aggregate

intransitive verb

1
2
: to appear as a factor : loom
a consideration that bulks large in everyone's thinking

bulk

3 of 3

adjective

1
: being in large quantities or not divided into separate units : being in bulk
bulk shipments of food
bulk mailings
2
: of or relating to materials in bulk
bulk prices
Phrases
in bulk
1
: not divided into parts or packaged in separate units
2
: in large quantities
buys rice in bulk
Choose the Right Synonym for bulk

bulk, mass, volume mean the aggregate that forms a body or unit.

bulk implies an aggregate that is impressively large, heavy, or numerous.

the darkened bulk of the skyscrapers

mass suggests an aggregate made by piling together things of the same kind.

a mass of boulders

volume applies to an aggregate without shape or outline and capable of flowing or fluctuating.

a tremendous volume of water

Examples of bulk in a Sentence

Noun We spent the bulk of the summer at the beach. Farming makes up the bulk of the country's economy. The great bulk of these people are extremely poor. Despite his bulk, he's a very fast runner. Verb she bulked up her hair with one hand as she reached for the shears with the other Adjective They sent bulk shipments of food to the country.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Lopez recommends choosing wholesome picks like brown rice, barley, whole wheat pasta and oats in bulk to save money and use in multiple meals. Fruits and vegetables. Erica Lamberg, Fox News, 9 Mar. 2025 Democrats and progressives are uneasy about the concentration of investment power in the hands of a few fund management firms that vacuum the vast bulk of investment dollars into their index funds, notably BlackRock, Vanguard and State Street. Michael Hiltzik, Los Angeles Times, 6 Mar. 2025
Verb
Vaquero Bandido honors those traditions by leaving the product as natural as possible, with no juices to bulk it up, and an ingredients list showcasing nothing but beef and seasoning. Andrew Watman, Forbes, 12 Mar. 2025 In the past, the Bulls bulked at offers for LaVine. Darnell Mayberry, The Athletic, 11 July 2024
Adjective
Forming cooperative buying groups with other small businesses can help with negotiating better bulk pricing, or contact small businesses who want to partner with companies in your region and are willing to negotiate pricing. Allbusiness, Forbes, 13 Mar. 2025 Regalado said bulk shipments at the Miami River are the primary source of ocean exports to Haiti. Jay Weaver, Miami Herald, 5 Mar. 2025 See All Example Sentences for bulk

Word History

Etymology

Noun, Verb, and Adjective

Middle English, heap, bulk, from Old Norse bulki cargo

First Known Use

Noun

15th century, in the meaning defined at sense 1a

Verb

circa 1529, in the meaning defined at transitive sense 1

Adjective

1693, in the meaning defined at sense 1

Time Traveler
The first known use of bulk was in the 15th century

Browse Nearby Words

Cite this Entry

“Bulk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bulk. Accessed 17 Mar. 2025.

Kids Definition

bulk

1 of 3 noun
1
: greatness of size or mass : volume
2
: a large body or mass
3
: the main or greater part
did the bulk of the work
4

bulk

2 of 3 verb
1
: to cause to swell or bulge
2
: to appear as a consideration
an issue that bulks large in her mind

bulk

3 of 3 adjective
: being in bulk
bulk foods

Medical Definition

bulk

noun
: material (as indigestible fibrous residues of food) that forms a mass in the intestine
especially : fiber sense 2

Legal Definition

bulk

1 of 2 noun
: a large mass

bulk

2 of 2 adjective
1
: being in bulk
bulk shipment of wheat
bulk foods
2
: of or relating to materials in bulk
bulk buyer

More from Merriam-Webster on bulk

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!