ピーク

ぴーく
noun
peak, highest point
1. peak, highest point, climax
The point at which something reaches its maximum level, whether in quantity, intensity, or activity. Used for business seasons, physical conditions, traffic, and other measurable phenomena.
(さくら)のピークは()ぎた。
The cherry blossoms have passed their peak.
通勤(つうきん)ラッシュのピークは(あさ)8()前後(ぜんご)だ。
The peak of the commuter rush is around 8 a.m.
花粉(かふん)飛散量(ひさんりょう)がピークを(むか)えるのは3(がつ)だ。
Pollen dispersal reaches its peak in March.

ピーク is from English "peak." Used for the highest point, maximum level, or prime of something — traffic, popularity, ability, seasons, etc.

COMMON PATTERNS:

  • ピークを(むか)える: to reach one's peak
  • ピークに(たっ)する: to reach the peak
  • ピークを()ぎる: to be past the peak/prime

COMMON COMPOUNDS:

  • ピーク(): peak time/hours
  • ピーク時間帯(じかんたい): peak time period
  • オフピーク: off-peak

USAGE:
Very versatile — applies to physical peaks (花粉(かふん)のピーク, pollen peak), career peaks (選手(せんしゅ)としてのピーク, peak as an athlete), and volume peaks (通勤(つうきん)ラッシュのピーク, peak of rush hour).

SIMILAR WORDS:

  • 頂点(ちょうてん): summit, pinnacle (more literary)
  • 最盛期(さいせいき): heyday, golden age
  • 絶頂(ぜっちょう): peak, climax (more dramatic)