- joined or packed together; closely and firmly united; dense; solid: compact soil.
- arranged within a relatively small space: a compact shopping center; a compact kitchen.
- designed to be small in size and economical in operation.
- solidly or firmly built: the compact body of a lightweight wrestler.
- expressed concisely; pithy; terse; not diffuse: a compact review of the week's news.
- composed or made (usually followed by of): a book compact of form and content.
- Also bicompact. Mathematics. (of a set) having the property that in any collection of open sets whose union contains the given set there exists a finite number of open sets whose union contains the given set; having the property that every open cover has a finite subcover.
- to join or pack closely together; consolidate; condense.
- to make firm or stable.
- to form or make by close union or conjunction; make up or compose.
- Metallurgy. to compress (metallic or metallic and nonmetallic powders) in a die to be sintered.
- to crush into compact form for convenient disposal or for storage until disposal: to compact rubbish.
- a small case containing a mirror, face powder, a puff, and sometimes rouge.
- Also called compact car. an automobile that is smaller than an intermediate but larger than a subcompact and generally has a combined passenger and luggage volume of 100–110 cu. ft. (2.8–3.1 m3).
- Metallurgy. (in powder metallurgy) an object to be sintered formed of metallic or of metallic and nonmetallic powders compressed in a die.
Origin of compact1
SynonymsSee more synonyms on Thesaurus.com
- a formal agreement between two or more parties, states, etc.; contract: the proposed economic compact between Germany and France.
Origin of compact2
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for compact
Films are at their best when they can compact a story down to its essentials.Gamers Want to Game: Video Games Aren't Blockbuster Movies
August 28, 2014
The next thing that happened, which was really great, was that the tapes became available on compact discs.Going Public With the Nixon Tapes
August 7, 2014
It will swiftly become clear that there is no room in this starry-eyed arrangement for a compact with Washington.John Kerry Just Visited. But Should We Just Forget About India?
August 3, 2014
One of note is a compact power adaptor with a protective cover.Apple Wants to Make Your Head Into an App
February 19, 2014
Compact and precise—just 172 pages of text and 23 pages of notes—the book is a model of lucid historical writing.The Best Books on President Lincoln
February 17, 2014
A compact little group of men rounded the bend and approached.
The officers and other white men stood about in a compact and silent group.
The hour that sealed the compact between us was one of regret and alarm.Alice, or The Mysteries, Complete
This writing, mighty Ferdinand, contains the articles of our compact.
With the Christian monarch, there is no hope of peace or compact.
- closely packed together; dense
- neatly fitted into a restricted space
- concise; brief
- well constructed; solid; firm
- (foll by of) composed or made up (of)
- denoting a tabloid-sized version of a newspaper that has traditionally been published in broadsheet form
- logic (of a relation) having the property that for any pair of elements such that a is related to b, there is some element c such that a is related to c and c to b, as less than on the rational numbers
- US and Canadian (of a car) small and economical
- to pack or join closely together; compress; condense
- (foll by of) to create or form by pressing togethersediment compacted of three types of clay
- metallurgy to compress (a metal powder) to form a stable product suitable for sintering
- a small flat case containing a mirror, face powder, etc, designed to be carried in a woman's handbag
- US and Canadian a comparatively small and economical car
- metallurgy a mass of metal prepared for sintering by cold-pressing a metal powder
- a tabloid-sized version of a newspaper that has traditionally been publis hed in broadsheet form
- an official contract or agreement
Word Origin and History for compact
early 15c., from Latin compactus, past participle of compingere "to fasten together" (see compact (adj.)). Related: Compacted; compacting.
"make-up case," 1921, from compact (adj.), based on its containing compacted face powder.