Synonym: apex, crest, crown, hilltop, pinnacle, summit, tip, top. Antonym: foot. Similar words: speak, speak up, speak for, speaker, so to speak, to speak of, appeal, appear. Meaning: [pɪːk] 
n. 1. the most extreme possible amount or value 2. the period of greatest prosperity or productivity 3. the highest level or degree attainable; the highest stage of development 4. the top point of a mountain or hill 5. a V shape 6. the highest point (of something) 7. a brim that projects to the front to shade the eyes. v. to reach the highest point; attain maximum intensity, activity. adj. of a period of maximal use or demand or activity.
n. 1. the most extreme possible amount or value 2. the period of greatest prosperity or productivity 3. the highest level or degree attainable; the highest stage of development 4. the top point of a mountain or hill 5. a V shape 6. the highest point (of something) 7. a brim that projects to the front to shade the eyes. v. to reach the highest point; attain maximum intensity, activity. adj. of a period of maximal use or demand or activity. 
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31) Sales have reached a new peak.
32) The peak seems to touch the sky.
33) The peak is enveloped in clouds. Sentencedict.com
34) It's always crowded at peak times.
35) We saw peak beyond peak.
36) Before six o'clock, calls are charged at peak rate.
37) The Peak District is good walking country.
38) She is at the peak of her popularity.
39) Middle school enrolments will peak this year.
40) The book sales have begun to peak off.
41) The resort gets overcrowded in peak season.
42) Middle school enrollments will peak this year.
43) There are extra buses at peak times.
44) Extra buses run at peak times .
45) You want your hair to look in peak condition.
46) Hotel prices rise during the peak season .
47) Peak updraft strength is slightly enhanced with hodograph curvature.
48) He ascended to the peak of sporting achievement.
49) Earnings hit a peak in the early 1980s.
50) The engine is tuned to peak efficiency.
51) He combed his hair into a peak.
52) That peak is dominant over all other hills.
53) He's at the peak of his career.
54) The peak towers up into the clouds.
55) Sales this month have reached a new peak .
56) The athletes are all in peak condition.
57) Unemployment among married women reached a peak.
58) The 8844 - metre peak stabbed the sky.
59) We need extra help during the peak summer season.
60) I went youth hostelling in the Peak District.
More similar words: speak, speak up, speak for, speaker, so to speak, to speak of, appeal, appear, peanut, break, sneak, steak, at peace, peasant, weaken, streak, appeal to, European, break in, break off, break out, break up, disappear, break down, break away, repeatedly, break into, make peace with, break through.