peak hour

noun

Rush hour.

Opposite
off-hoursoff-peak
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Meanings

nounpeak hour (plural peak hours)

plural peak hours

  1. Rush hour.
  2. attributiveoften hyphenatedRelating to peak periods in traffic and transportation.

    It will be noted that on this service, in contradistinction to that from and to Bristol, extra trains are provided to cope with peak-hour conditions; [...].

    1961 October, “The winter timetables of British Railways: Western Region”, in Trains Illustrated, page 591

Synonyms & antonyms

Opposite
off-hoursoff-peak
Also see
rush hour
Cite this entry
APA

peak hour. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/peak%20hour

MLA

“peak hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/peak%20hour. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “peak hour,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/peak%20hour.

Source: peak hour on Wiktionary, CC BY-SA 4.0.