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1. The most extreme possible amount or value
   "voltage peak";
   - extremum
    
2. The period of greatest prosperity or productivity
   - flower, prime, heyday, bloom, blossom, efflorescence, flush
    
3. The highest level or degree attainable; the highest stage of development
   "the peak of perfection"; "summer was at its peak";
   - acme, height, elevation, pinnacle, summit, superlative, meridian, tiptop, top
    
4. The highest or extreme point of something (usually a mountain or hill)
   "the view from the peak was magnificent";
   - crown, crest, top, tip, summit
    
5. A V shape
   "the cannibal's teeth were filed to sharp peaks";
   - point, tip
    
6. The highest point (of something)
   "at the peak of the pyramid";
   - vertex, apex, acme
    
7. A brim that projects to the front to shade the eyes
   "he pulled down the peak of his cap and trudged ahead";
   - bill, eyeshade, visor, vizor

1. To reach the highest point; attain maximum intensity, activity
   "That wild, speculative spirit peaked in 1929";
   - top out

1. At the maximum or highest level

Sounds like: peace, peak, peek

Derived forms: peaked, peaking, peaks

Type of: arrive at, attain, brim, convex shape, convexity, degree, extreme, extreme point, extremum, gain, hit, level, limit, limitation, make, period, period of time, phase, phasis, place, point, reach, spot, stage, time period, time span, topographic point

Part of: alpenstock, arrowhead, baseball cap, blade, brand, cone, cone shape, conoid, golf cap, jockey cap, kepi, knife, peaked cap, pencil, service cap, steel, sword, yachting cap

Encyclopedia: Peak, South Carolina