peak
//piːk//
Noun
peakSingular
peaksPlural
1
The pointed top of a mountain or hill.
We could see snow on the mountain peak.
2
The highest or most intense point or level of something.
The company reached its peak in the 1990s.
3
The point of greatest activity, demand, or use.
Traffic is heaviest during peak hours in the morning and evening.
4
The projecting front part of a cap or hat.
He pulled down the peak of his cap to shade his eyes from the sun.
Verb
peakPresent tense
peakedPast tense
peakedPast participle
peakingPresent participle
peaksThird-person singular
1
To reach the highest point or maximum level.
Sales peaked in December and then declined.
2
To reach the top of a mountain or hill.
They peaked the mountain after a long climb.
Adjective
peakCanonical form
1
At the highest level or maximum; occurring at the time of greatest demand or activity.
Traffic is heaviest during peak hours.