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 adverb
compactness 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 adjective
compactor noun
or less commonly compacter
: 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
: 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.
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.
Adjective
Its compact size makes installation a breeze, and its wireless design ensures you won’t get tangled in wires. Shubham Yewale, PC Magazine, 14 Apr. 2025 This style can fold up into a compact, carry-on-friendly size that won’t add bulk to your bag like most jackets. Rylee Johnston, Travel + Leisure, 12 Apr. 2025
Verb
Tilling appears to fluff up and soften soil but actually causes the soil to compact. Nan Sterman, San Diego Union-Tribune, 5 Apr. 2025 Watering also displaces the air in the soil and causes the soil to compact. Leanne Potts, Better Homes & Gardens, 24 Mar. 2025
Noun
The first seven states to pass the compact will play a pivotal role in establishing the rules for the compact commission. Chicago Tribune, 2 Mar. 2025 The Commission was created to enforce gambling laws and restrictions in Florida after Gov. Ron DeSantis’ new agreement with the Seminole Tribe — called a compact — giving the Tribe exclusive rights to offer sports betting in Florida. Alexandra Glorioso, Miami Herald, 21 Mar. 2025 See All Example Sentences for compact

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

Browse Nearby Words

Cite this Entry

“Compact.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/compact. Accessed 20 Apr. 2025.

Kids Definition

compact

1 of 4 adjective
1
: closely united or packed : solid, firm
2
: arranged so as to save space
a compact house
3
: not wordy : brief
compactly adverb

compact

2 of 4 verb
1
: to draw together : combine, consolidate
2
: to make or become compact : compress
compactor noun

compact

3 of 4 noun
1
: a small cosmetic case
2
: a somewhat small automobile
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

: having a dense structure without small cavities or cells
compact bone
compare cancellous

More from Merriam-Webster on compact

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