- The definition of a peak is the highest point of something.
- An example of a peak is the top of a mountain.
- An example of a peak is the most successful time of a person's life.
A snow covered mountain peak.
peak definition by Webster's New World
Origin: ; from uncertain or unknown; perhaps
- a tapering part that projects; pointed end or top, as of a cap, roof, etc.
- part of the hairline coming to a point on the forehead; widow's peak
- Rare a promontory
- the crest or summit of a hill or mountain ending in a point
- a mountain with such a pointed summit
- the highest or utmost point of anything; height; maximum: the peak of production
- Elec. the maximum value of a varying quantity during a specified period
- the top, after corner of a gaff sail
- the upper end of the gaff
- the narrowed part of the hull, forward or aft
- Phonet. the most sonorous portion of a syllable
Origin: variant, variety of pike
- to tilt up, as a spar or oar
- to come or cause to come to a peak; reach or bring to a high, or the highest, point
peak definition by American Heritage Dictionary
- A tapering, projecting point; a pointed extremity: the peak of a cap; the peak of a roof.
- Abbr. Pk.a. The pointed summit of a mountain.b. The mountain itself.
- a. The point of a beard.b. A widow's peak.
- The point of greatest development, value, or intensity: a novel written at the peak of the writer's career. See Synonyms at summit.
- Physics The highest value attained by a varying quantity: a peak in current.
- Nautical a. The narrow portion of a ship's hull at the bow or stern.b. The upper after corner of a fore-and-aft sail.c. The outermost end of a gaff.
- Nautical To raise (a gaff) above the horizontal.
- To bring to a maximum of development, value, or intensity.
- To be formed into a peak or peaks: Beat the egg whites until they peak.
- To achieve a maximum of development, value, or intensity: Sales tend to peak just before the holidays.
Origin: Probably Middle English pike, peke; see pike 5.
intransitive verb peaked, peak·ing, peaks
Origin: Origin unknown.