English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition peak in British English

peak noun

[countable] noun
/piːk/
1

the time when something is at its highest or greatest level

Example

The city's population is about 400,000, down from a peak of 750,000 in the late 1960s.

Example

The traffic reaches its peak at about 8.30 in the morning.

Synonyms and related words
1.1

the time when someone or something is most successful or powerful

Example

Sampras was at his peak in the 1990s.

Example

The Ottoman Empire reached its peak in the 15th and 16th centuries.

Synonyms and related words
1.2

used in mathematics about graphs, waves etc

Example

The higher the peak, the louder the sound.

Synonyms and related words
2

the top of a mountain

Example

snow-covered peaks

Synonyms and related words
2.1

a mountain

Example

one of the hardest peaks in Europe for climbers

Synonyms and related words
2.2

an object or shape that looks like the top of a mountain

Example

Whip the cream continuously until it thickens and stands in peaks.

Synonyms and related words
3

the flat curved part of a cap that continues beyond the main at the front above your eyes

Synonyms and related words
Definition peak in British English