peak
♦ peak /p'iːk/ (peaks peaking peaked)
1 [N-COUNT] usu sing, usu with supp
The peak of a process or an activity is the point at which it is at its strongest, most successful, or most fully developed.
The party's membership has fallen from a peak of fifty-thousand after the Second World War...
The bomb went off in a concrete dustbin at the peak of the morning rush hour.
...a flourishing career that was at its peak at the time of his death...
2 [VERB] V at n, V
When something peaks, it reaches its highest value or its highest level.
Temperatures have peaked at over thirty degrees Celsius...
His career peaked during the 1970's.
3 [ADJ] ADJ n
The peak level or value of something is its highest level or value.
Calls cost 36p (cheap rate) and 48p (peak rate) per minute...
4 [ADJ] ADJ n
Peak times are the times when there is most demand for something or most use of something.
It's always crowded at peak times...
see also peak time
≠ off-peak
5 [N-COUNT]
A peak is a mountain or the top of a mountain.
...the snow-covered peaks.
6 [N-COUNT]
The peak of a cap is the part at the front that sticks out above your eyes.peak time
[N-UNCOUNT] oft at/in N, N n
Programmes which are broadcast at peak time are broadcast when the greatest number of people are watching television or listening to the radio. (mainly BRIT; in AM, usually use prime time)
The news programme goes out four times a week at peak time.
1 [N-COUNT] usu sing, usu with supp
The peak of a process or an activity is the point at which it is at its strongest, most successful, or most fully developed.
The party's membership has fallen from a peak of fifty-thousand after the Second World War...
The bomb went off in a concrete dustbin at the peak of the morning rush hour.
...a flourishing career that was at its peak at the time of his death...
2 [VERB] V at n, V
When something peaks, it reaches its highest value or its highest level.
Temperatures have peaked at over thirty degrees Celsius...
His career peaked during the 1970's.
3 [ADJ] ADJ n
The peak level or value of something is its highest level or value.
Calls cost 36p (cheap rate) and 48p (peak rate) per minute...
4 [ADJ] ADJ n
Peak times are the times when there is most demand for something or most use of something.
It's always crowded at peak times...
see also peak time
≠ off-peak
5 [N-COUNT]
A peak is a mountain or the top of a mountain.
...the snow-covered peaks.
6 [N-COUNT]
The peak of a cap is the part at the front that sticks out above your eyes.peak time
[N-UNCOUNT] oft at/in N, N n
Programmes which are broadcast at peak time are broadcast when the greatest number of people are watching television or listening to the radio. (mainly BRIT; in AM, usually use prime time)
The news programme goes out four times a week at peak time.