compact

1 of 4

adjective

com·​pact kəm-ˈpakt How to pronounce compact (audio)
käm-ˈpakt,
ˈkäm-ˌpakt
1
: predominantly formed or filled : composed, made
Miss Austen's novels are compact of delicate trivialities …Samuel Alexander
2
a
: having a dense structure or parts or units closely packed or joined
a compact woolen
compact bone
b
: not diffuse or verbose
a compact statement
c
: occupying a small volume by reason of efficient use of space
a compact camera
a compact formation of troops
d
: short-bodied, solid, and without excess flesh
He had a small, compact body that looked full of life.D. H. Lawrence
3
: being a topological space and especially a metric space with the property that for any collection of open sets which contains it there is a subset of the collection with a finite number of elements which also contains it
compactly
kəm-ˈpak(t)-lē How to pronounce compact (audio)
käm-ˈpak(t)-
ˈkäm-ˌpak(t)-
adverb
compactness
kəm-ˈpak(t)-nəs How to pronounce compact (audio)
käm-ˈpak(t)-
ˈkäm-ˌpak(t)-
noun

compact

2 of 4

verb

compacted; compacting; compacts

transitive verb

1
: to make up by connecting or combining : compose
2
a
: to knit or draw together : combine
b
: to press together : compress
compactible
kəm-ˈpak-tə-bəl How to pronounce compact (audio)
käm-ˈpak-
ˈkäm-ˌpak-
adjective
compactor noun
or less commonly compacter
kəm-ˈpak-tər How to pronounce compact (audio)
käm-ˈpak-,
ˈkäm-ˌpak-

compact

3 of 4

noun (1)

com·​pact ˈkäm-ˌpakt How to pronounce compact (audio)
: something that is compact or compacted:
a
: a small cosmetic case (as for compressed powder)
b
: an automobile smaller than an intermediate but larger than a subcompact

compact

4 of 4

noun (2)

com·​pact ˈkäm-ˌpakt How to pronounce compact (audio)
: an agreement or covenant between two or more parties

Examples of compact in a Sentence

Adjective The drill has a compact design. the apartment's compact floor plan The cabin was compact but perfectly adequate. He is compact and muscular. He has a compact body. Verb The snow had compacted into a hard icy layer. the media giant decided to compact all of its far-flung operations onto a single site
Recent Examples on the Web
Adjective
For packing convenience, the fabric seat separates from the frame, which folds down to fit into a relatively compact 17-inch by 7-inch carrying sack. Olivia Young, Travel + Leisure, 17 Apr. 2024 The doors could open if the compact car's rear doors are not locked. Mike Snider, USA TODAY, 17 Apr. 2024 The Roadie 24 Hard Cooler, in particular, is a best-seller thanks to its compact size yet spacious capacity. Madison Yauger, Peoplemag, 16 Apr. 2024 This toy is much more compact than a baby pool or inflatable water slide but provides just as much fun. Laura Lu, Parents, 15 Apr. 2024 Such high resolution is unheard of for a compact lidar system without external lenses. Susumu Noda, IEEE Spectrum, 14 Apr. 2024 Other cities in the U.S. have mechanized trash trucks, but, according to city sanitation officials, no domestic manufacturer makes a model compact and quiet enough to drive down a Manhattan street. Eric Lach, The New Yorker, 8 Apr. 2024 The release noted that out of nearly 200 measurements of compact object masses, only one other merger involved an object in the apparent mass gap, that one merging with a black hole. Isaac Schultz / Gizmodo, Quartz, 7 Apr. 2024 This is a compact form of the long-popular native southern evergreen with glossy, dark green leaves and showy white, late spring blooms. Neil Sperry, Fort Worth Star-Telegram, 5 Apr. 2024
Verb
Goldfarb: One of the challenges is that often the soil is really compacted. Chris Klimek, Smithsonian Magazine, 18 Apr. 2024 With the pull of a lever, a worker activates the hopper’s powerful hydraulic jaw, which chomps down on the trash and compacts it. Eric Lach, The New Yorker, 8 Apr. 2024 The hillside work involved removing debris, grading and compacting the slope, installing pins, and placing plastic tarps and stakes. Phil Diehl, San Diego Union-Tribune, 5 Apr. 2024 When catcher Buster Posey returned after suffering a broken leg, Elliott and his crew made the surface behind and around the plate a bit more forgiving, compacting the soil underneath to provide support, but covering the area in a softer blanket of clay. Joan Morris, The Mercury News, 25 Mar. 2024 Tilling appears to fluff up and soften soil but actually causes the soil to compact. Nan Sterman, San Diego Union-Tribune, 6 Apr. 2024 Precision Wiring The wiring pattern in the cerebellum is precisely organized and compacted to concentrate three-quarters of the brain’s neurons into a 4-inch lobe. R Douglas Fields, WIRED, 31 Mar. 2024 Some scientists believe that, before their extinction, grazing animals such as mammoths, horses and bison kept the earth frozen underneath by tramping down the grass, knocking down trees and compacting snow. Katie Hunt, CNN, 9 Mar. 2024 It's made of multiple layers of snow from different snowfalls that become compacted. Julia Gomez, USA TODAY, 17 Feb. 2024
Noun
While not unwelcome, the success of the compact will depend on how its commitments are executed. Mekela Panditharatne, TIME, 10 Apr. 2024 Click here] After federal lawmakers missed the initial deadline for approving a new compact with the Marshall Islands, Congress finally agreed to extend the relationship with the Pacific island nation as well as similar agreements with Micronesia and Palau. Alex Thomas, arkansasonline.com, 17 Mar. 2024 The security compacts were successfully renewed for another 20 years last May and were supposed to be implemented Oct. 1. Jennifer Jett, NBC News, 18 Feb. 2024 According to some secessionists, the Wide Awakes had already broken the compact that held the states together. Jon Grinspan, Smithsonian Magazine, 1 Apr. 2024 To get around the 2018 constitutional amendment, the compact required all online sports bets from players in Florida be placed via the tribe’s servers. Lawrence Mower, Miami Herald, 22 Mar. 2024 The compacts ensure agencies share resources in the event of a large emergency and the cancellations have left some residents uneasy. Jonathan Shorman, Kansas City Star, 22 Mar. 2024 Both states’ legislatures have considered bills to join the compact. Erin Mansfield, USA TODAY, 19 Mar. 2024 The pari-mutuel firms also sued DeSantis and leaders of the Florida Legislature, which authorized the compact, in a case pending before the Florida Supreme Court. Mike Schneider, Fortune, 11 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'compact.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Adjective and Verb

Middle English, firmly put together, from Latin compactus, from past participle of compingere to put together, from com- + pangere to fasten — more at pact

Noun (2)

Latin compactum, from neuter of compactus, past participle of compacisci to make an agreement, from com- + pacisci to contract — more at pact

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Verb

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

Noun (1)

1601, in the meaning defined above

Noun (2)

1591, in the meaning defined above

Time Traveler
The first known use of compact was in the 14th century

Dictionary Entries Near compact

Cite this Entry

“Compact.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/compact. Accessed 24 Apr. 2024.

Kids Definition

compact

1 of 4 adjective
com·​pact kəm-ˈpakt How to pronounce compact (audio)
ˈkäm-ˌpakt
1
: closely united or packed : solid, firm
2
: arranged so as to save space
a compact house
3
: not wordy : brief
compactly adverb
compactness
kəm-ˈpak(t)-nəs How to pronounce compact (audio)
ˈkäm-ˌpak(t)-
noun

compact

2 of 4 verb
1
: to draw together : combine, consolidate
2
: to make or become compact : compress
compactor noun
also compacter
kəm-ˈpak-tər How to pronounce compact (audio)
ˈkäm-ˌpak-

compact

3 of 4 noun
com·​pact ˈkäm-ˌpakt How to pronounce compact (audio)
1
: a small cosmetic case
2
: a somewhat small automobile

compact

4 of 4 noun
com·​pact ˈkäm-ˌpakt How to pronounce compact (audio)
Etymology

Adjective

Middle English compact "firmly put together," from Latin compactus (same meaning), from compingere "to join," from com- "together" and pangere "to fasten"

Noun

from Latin compactum "agreement," derived from compacisci "to make an agreement," from com- "with, together" and pacisci "to agree"

Medical Definition

compact

adjective
com·​pact kəm-ˈpakt How to pronounce compact (audio) käm-ˈ How to pronounce compact (audio)
ˈkäm-ˌ
: having a dense structure without small cavities or cells
compact bone
compare cancellous

More from Merriam-Webster on compact

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