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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91) Gasoline prices are 14% below the peak level they hit in November.
92) If you phone during the day you pay the peak rate for calls.
93) The mountaineers succeeded in climbing the north face of the mountain to the top peak.
94) Performance is lowest between 3 a.m. and 5 a.m.,(www.Sentencedict.com) and reaches a peak near midday.
95) The party's numbers reached a peak of 40 000 in 2001.
96) The move is designed to boost sales during the peak booking months of January and February.
97) Immigration reached its peak in the 1950s.
98) Printer and software sales also hit a peak.
99) Load demand can exceed 66 percent during peak periods.
100) Occasionally, patients experience side effects at peak levels.
101) Traffic congestion during peak commute hours is terrible.
102) Evolution had reached its peak and was going backwards.
103) Tax cutting may also have passed its peak.
104) Sunday tea-time remains peak crumpet time.
105) Each household's peak demand was not measured directly.
106) When was the peak period for coal production?
107) And during peak demand, discounts can vanish.
108) The critical breeding season coincides with peak insect population.
109) In 1963, too, the sperm-whale kill reached its peak, claiming about thirty thousand of the great beasts.
110) Pleasures that we seek are not happiness at its peak. For it is contentment that gives true fulfillment. RVM 
111) Figures produced at a World Energy Conference showed that oil and gas production should reach a peak between 1985 and 2000.
112) The body of Edward Stone, 27, an experienced climber who lived locally, was found half way up the peak.
113) Indeed, at one point the peak of a worst case fluctuation actually exceeds that of the best case.
114) Worst affected will be those who upped borrowings when miners' earnings hit a peak in the early 80s.
115) This was followed by a decline and then a second smaller peak in serum transaminase activities.
116) During the peak of the industrial revolution, the preferred fuel was coal, which is 50 percent carbon.
117) But without the obligation to show current affairs in peak time, it may be pushed into a less attractive slot.
118) Richmann tensed as the approaching engine noise reached a peak.
119) Women may respond to the unpleasant feelings associated with the peak progesterone levels by increasing their caffeine intake.
120) The position of peak labelling was deeper in the antral crypts at position 61 compared with position 26 in body mucosa.
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.