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rush hour

noun [C usually singular]
 
 

Definition

B2 the busy part of the day when towns and cities are crowded, either in the morning when people are travelling to work, or in the evening when people are travelling home: rush hour trafficTraffic jamsDays and times of dayWorking hours and periods of workWork, working and the workplace
(Definition of rush hour noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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