American English

Definition of peak adjective from the Oxford Advanced American Dictionary

 

peak

 adjective
adjective
NAmE//pik//
 
[only before noun]
 
jump to other results
used to describe the highest level of something, or a time when the greatest number of people are doing something or using something It was a time of peak demand for the product. March is one of the peak periods for our business. The athletes are all in peak condition. We need extra help during the peak season. compare off-peak
See the Oxford Advanced Learner's Dictionary entry: peak