Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

peak

play
noun \ˈpēk\

Simple Definition of peak

  • : the pointed top of a mountain

  • : a tall mountain with a pointed or narrow top

  • : something that looks like a pointed top of a mountain

Source: Merriam-Webster's Learner's Dictionary

Full Definition of peak

  1. 1 :  a pointed or projecting part of a garment; especially :  the visor of a cap or hat

  2. 2 :  promontory

  3. 3 :  a sharp or pointed end

  4. 4 a (1) :  the top of a hill or mountain ending in a point (2) :  a prominent mountain usually having a well-defined summit b :  something resembling a mountain peak

  5. 5 a :  the upper aftermost corner of a fore-and-aft sail b :  the narrow part of a ship's bow or stern or the part of the hold in it

  6. 6 a :  the highest level or greatest degree b :  a high point in a course of development especially as represented on a graph

  7. 7 :  widow's peak

Examples of peak in a sentence

  1. a line of rocky peaks

  2. the peak of the roof

  3. The recipe says to beat the cream until it forms soft peaks.

  4. At her peak she was writing a new novel every year.

  5. Violence reached a peak just before the election.

  6. The graph shows that murders in the city declined from a peak of 173 in 2004.



Origin and Etymology of peak

perhaps alteration of pike


First Known Use: 1530

Synonym Discussion of peak

summit, peak, pinnacle, climax, apex, acme, culmination mean the highest point attained or attainable. summit implies the topmost level attainable <at the summit of the Victorian social scene>. peak suggests the highest among other high points <an artist working at the peak of her powers>. pinnacle suggests a dizzying and often insecure height <the pinnacle of worldly success>. climax implies the highest point in an ascending series <the war was the climax to a series of hostile actions>. apex implies the point where all ascending lines converge <the apex of Dutch culture>. acme implies a level of quality representing the perfection of a thing <a statue that was once deemed the acme of beauty>. culmination suggests the outcome of a growth or development representing an attained objective <the culmination of years of effort>.

2

peak

verb

Definition of peak

  1. intransitive verb
  2. :  to reach a maximum (as of capacity, value, or activity) —often used with out

  3. transitive verb
  4. :  to cause to come to a peak, point, or maximum



1577

First Known Use of peak

1577


3

peak

adjective

Simple Definition of peak

  • : at the highest point or level

  • : filled with the most activity

Source: Merriam-Webster's Learner's Dictionary

Full Definition of peak

  1. :  being at or reaching the maximum <peak levels> <peak output>; also :  of, relating to, or being a period of maximum intensity or activity <peak business hours>

Examples of peak in a sentence

  1. The factory has been running at peak capacity for the past year.

  2. the peak season for fishing



1903

First Known Use of peak

1903


4

peak

verb

Definition of peak

  1. intransitive verb
  2. 1 :  to grow thin or sickly

  3. 2 :  to dwindle away



Origin and Etymology of peak

origin unknown


First Known Use: 1605


5

peak

verb

Definition of peak

  1. transitive verb
  2. 1 :  to set (as a gaff) nearer the perpendicular

  3. 2 :  to hold (oars) with blades well raised



Origin and Etymology of peak

from apeak held vertically


First Known Use: 1626



PEAK Defined for Kids

peak

play
noun \ˈpēk\

Definition of peak for Students

  1. 1 :  a prominent mountain <We saw a snowy peak rising from the plain.>

  2. 2 :  the pointed top of a hill or mountain <I climbed all the way to the peak.>

  3. 3 :  a sharp or pointed end <The roof rises to a peak.>

  4. 4 :  the highest point of development <He is at the peak of his career.>





Seen and Heard

What made you want to look up peak? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

airtight or solitary

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

brumal vernal estival hiemal
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ