• Noun:
    • (British) IPA: /ˈkɒmˌpækt/
    • (America) IPA: /ˈkɑmˌpækt/
  • Adjective:
    • (British) IPA: /kəmˈpækt/
    • (America) IPA: /kəmˈpækt/, /ˈkɑmˌpækt/
  • Verb:
    • (America, British) IPA: /kəmˈpækt/

compact (plural compacts)

  1. An agreement or contract.
Synonyms Translations Adjective


  1. Closely packed, i.e. packing much in a small space.
    • glass, crystal, gems, and other compact bodies
  2. Having all necessary features fitting neatly into a small space.
    a compact laptop computer
  3. (mathematics, uncomparable, of a set in an Euclidean space) Closed and bounded.
    A set S of real numbers is called compact if every sequence in S has a subsequence that converges to an element again contained in S.
  4. (topology, uncomparable, of a set) Such that every open cover of the given set has a finite subcover.
  5. Brief; close; pithy; not diffuse; not verbose.
    a compact discourse
  6. (obsolete) Joined or held together; leagued; confederated.
    • c. 1603–1604, William Shakespeare, “Measvre for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act V, scene i]:
      compact with her that's gone
    • a pipe of seven reeds, compact with wax together
  7. (obsolete) Composed or made; with of.
    • 1667, John Milton, “Book 8”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:
      A wandering fire, / Compact of unctuous vapor.
Synonyms Translations Translations Translations Noun

compact (plural compacts)

  1. A small, slim folding case, often featuring a mirror, powder and a powderpuff; that fits into a woman's purse or handbag, or that slips into one's pocket.
  2. A broadsheet newspaper published in the size of a tabloid but keeping its non-sensational style.
    • 2012, BBC News: Dundee Courier makes move to compact :
      The Dundee Courier has announced the newspaper will be relaunching as a compact later this week. Editor Richard Neville said a "brighter, bolder" paper would appear from Saturday, shrunk from broadsheet to tabloid size.

compact (compacts, present participle compacting; past and past participle compacted)

  1. (transitive) To make more dense; to compress.
  2. To unite or connect firmly, as in a system.
    • 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981 ↗, Ephesians 4:16 ↗:
      The whole body fitly joined together and compacted by that which every joint supplieth.
Synonyms Translations

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