Definition of "peak" in Englisch

noun

1. A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.

2. The highest value reached by some quantity in a time period.

   • The stock market reached a peak in September 1929.

3. (geography) The top, or one of the tops, of a hill, mountain, or range, ending in a point.

   • They reached the peak after 8 hours of climbing.

4. (geography) The whole hill or mountain, especially when isolated.

5. (clothing, UK) visor (horizontal part of a cap sticking out in front and shading the wearer's eyes)

6. (nautical) The upper aftermost corner of a fore-and-aft sail.

   • peak-halyards
   • peak-brails

7. (nautical) The narrow part of a vessel's bow, or the hold within it.

8. (nautical) The extremity of an anchor fluke; the bill.

9. (mathematics) A local maximum of a function, e.g. for sine waves, each point at which the value of y is at its maximum.

10. (uncountable, Internet slang) Something of exceptional quality.

    • there's so much peak on this website

verb

1. (transitive, nautical) To raise the point of (a gaff) closer to perpendicular.

2. (transitive, signal processing) To exceed the maximum signal amplitude of (a piece of equipment), resulting in clipping of the signal.

3. To reach a highest degree or maximum.

   • Historians argue about when the Roman Empire began to peak and ultimately decay.

4. To rise or extend into a peak or point; to form, or appear as, a peak.

5. (gender-critical slang) Ellipsis of peak trans.

adjective

1. At the greatest extent; maximum.

   • peak oil, Peak TV

2. (slang) Maximal, quintessential, archetypical, strictly with positive connotations; representing the culmination of its type.

   • Knowing obscure 19th-century slang is peak nerd.

3. (MLE) Bad.

4. (MLE) Unlucky; unfortunate.

   • You didn't get a spot? That's peak.

5. (Internet slang) Very good or high-quality.

   • That movie last night was so peak.

verb

1. (intransitive) To become sick or wan.

2. (intransitive) To acquire sharpness of figure or features; hence, to look thin or sickly.