see also: Peak
Pronunciation Noun

peak (plural peaks)

  1. A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
    • 2002, Joy of Cooking: All About Cookies ISBN 0743216806, page 29:
      A less risky method is to lift your whisk or beater to check the condition of the peaks of the egg whites; the foam should be just stiff enough to stand up in well-defined, unwavering peaks.
  2. The highest value reached by some quantity in a time period.
    Synonyms: apex, pinnacle, Thesaurus:apex
    The stock market reached a peak in September 1929.
    • 2012 October 23, David Leonhardt, "," New York Times (retrieved 24 October 2012):
      By last year, family income was 8 percent lower than it had been 11 years earlier, at its peak in 2000, according to inflation-adjusted numbers from the Census Bureau.
  3. (geography) The top, or one of the tops, of a hill, mountain, or range, ending in a point.
    Synonyms: summit, top
    They reached the peak after 8 hours of climbing.
  4. (geography) The whole hill or mountain, especially when isolated.
    • 1898, Arnold Henry Savage Landor, In the Forbidden Land Chapter 62
      To the South we observed a large plain some ten miles wide, with snowy peaks rising on the farther side. In front was a hill projecting into the plain, on which stood a mani wall; and this latter discovery made me feel quite confident that I was on the high road to Lhassa.
  5. (nautical) The upper aftermost corner of a fore-and-aft sail.
  6. (nautical) The narrow part of a vessel's bow, or the hold within it.
  7. (nautical) The extremity of an anchor fluke; the bill.
  8. (mathematics) A local maximum of a function, e.g. for sine waves, each point at which the value of y is at its maximum.
  • Portuguese: ponta
  • Russian: ко́нчик
Translations Translations Translations Verb

peak (peaks, present participle peaking; past and past participle peaked)

  1. To reach a highest degree or maximum.
    Historians argue about when the Roman Empire began to peak and ultimately decay.
  2. To rise or extend into a peak or point; to form, or appear as, a peak.
    • There peaketh up a mighty high mount.
  3. (nautical, transitive) To raise the point of (a gaff) closer to perpendicular.
Synonyms Translations Adjective


  1. maximal, maximally quintessential or representative; constituting the culmination of
  2. (MLE) Bad
  3. (MLE) Unlucky; unfortunate
Synonyms Verb

peak (peaks, present participle peaking; past and past participle peaked)

  1. (intransitive) To become sick or wan.
  2. (intransitive) To acquire sharpness of figure or features; hence, to look thin or sickly.
    • c. 1606, William Shakespeare, “The Tragedie of Macbeth”, 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 I, scene iii]:
      Dwindle, peak, and pine.
  3. (intransitive) To pry; to peep slyly.
Related terms Noun

peak (uncountable)

  1. Alternative form of peag#English|peag (“wampum”)
  1. Misspelling of pique

Proper noun
  1. Surname

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