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Definition of peak

peak

/piːk/
peak

Plural:peaks
•
Adjective:peaked
•
Past Simple:peaked
•
Past Participle:peaked
•
Present Participle:peaking
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peak Lexical Profile

peak Game Scores & Validity

• noun

1

The pointed top or summit of a mountain, or a mountain with a sharply pointed top.

Example

"Snow covered the jagged mountain peak throughout the entire year."


2

The point of highest activity, achievement, intensity, or value.

Example

"The singer reached the peak of her international fame in the late nineties."


3

A projecting visor on the front of a cap or hat, or any stiff, pointed projection.

Example

"She pulled the peak of her cap down to shield her eyes from the bright afternoon sun."

Synonyms
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Antonyms
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• adjective

1

Representing the highest, maximum, or most intense level of activity, demand, or achievement.

Example

"Commuters are advised to avoid traveling during peak hours to reduce congestion on the trains."


2

(Informal) Quintessential, supreme, or representing the most extreme or ideal example of something.

Example

"The director's latest film is considered peak cinema by critics and audiences alike."

Synonyms
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Antonyms
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• verb

1

To reach a highest point, value, or level of development or intensity.

Example

"Seasonal flu cases typically peak in mid-February before gradually declining in the spring."


2

To dwindle, waste away, or become pale, sickly, and emaciated.

Example

"Without proper sunlight and water, the young seedlings began to peak and wilt."

Synonyms
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Antonyms
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Word Nuance & Usage

Frequently confused with its homophones 'peek' (to take a quick, secretive look) and 'pique' (to stimulate interest or feel resentment; e.g., 'pique one's curiosity').

• Rhymes for peak

Word Origin & Etymology

Dating back to the early 16th century, 'peak' is a variant of Middle English 'pik' (pike), ultimately deriving from Old English 'pic' meaning a sharp point or pointed tool.

Cite this Entry


Wordmom. (2026). Definition of Peak. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/peak
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