WordGarden.iopeak
B2Pronunciation
UK
- /pˈiːk/
US
- /ˈpik/
Meanings
Noun
the highest point, level, or period of something
the top or pointed summit of a mountain
Adjective
at the highest level, demand, or intensity
Verb
to reach the highest point or level before leveling off or falling
Beyond the definition
Think of a mountain: its peak is the highest point at the top. But "peak" is not just about mountains. It can also describe the best, strongest, or most important part of something, like the peak of your career or the moment when excitement reaches its peak. You might even say someone "peaked" in high school if their best time was then and they have not done as much since. The word suggests reaching the top, whether that is a real place high above the ground or the highest point of success, energy, or activity.
The word "peak" has several meanings, all revolving around the idea of a highest point or culmination. Most literally, a peak is the pointed summit of a mountain or hill. Think Mount Everest—its peak is famously challenging to reach.
However, "peak" extends beyond geography. It can describe the most intense, powerful, or successful part of something. We talk about the peak of summer, the peak of a person's career, or someone reaching peak performance. This usage suggests a point that is hard to surpass.
You can also use "peak" as an adjective to describe the busiest, strongest, or highest level of something. For example, "Rush hour brings peak traffic." You might also say something is at its peak when it is at its highest level: "Demand for the product reached its peak after the celebrity endorsement."
Finally, to "peak" as a verb means to reach this high point. "She peaked at age 25 in her athletic career" suggests she performed best then and perhaps did not maintain that level afterward.
So, whether you are scaling a mountain, experiencing a moment of triumph, or observing a surge in activity, "peak" always points toward the highest point—literally or figuratively.
Examples
- 1
Mountain
Clouds covered the highest peak in the range by afternoon.
- 2
Popularity
Her popularity reached a peak in the late 1990s.
- 3
Company success
At its peak, the company had offices in twenty countries.
- Phraseat its peak
when it was most successful, active, or strong
- 4
Holiday demand
Demand usually peaks just before the holidays.
More examplesFewer examples
- 5
Temperature
The temperature peaked at 38 degrees in the afternoon.
- Patternpeak at + number
reach that highest level or amount
- 6
Traffic
Traffic is worst during peak hours.
- Phrasepeak hours
the busiest times
- 7
Travel season
Hotels are more expensive in peak season.
- Phrasepeak season
the busiest time of year
- 8
Train travel
We booked an off-peak train because it was cheaper.
- Phraseoff-peak
outside the busiest times
- 9
Physical fitness
The athlete is still in peak condition after a long career.
- Phrasepeak condition
the best physical condition
See also
Forms and spellings
4 forms open this card.
Main spelling
- peaknounverbadjective
Forms
- peakspluralnounverbadjective
- peakedpast tenseverbnounadjective
- peaking-ing formverbnounadjective