| noun | the most extreme possible amount or value “voltage peak” |
| noun | the period of greatest prosperity or productivity |
| noun | the highest level or degree attainable; the highest stage of development “his landscapes were deemed the acme of beauty” |
| noun | the top or extreme point of something (usually a mountain or hill) “the view from the peak was magnificent” |
| noun | a V shape “the cannibal's teeth were filed to sharp points” |
| noun | the highest point (of something) “at the peak of the pyramid” |
| noun | a brim that projects to the front to shade the eyes “he pulled down the bill of his cap and trudged ahead” |
| verb | to reach the highest point; attain maximum intensity, activity “That wild, speculative spirit peaked in 1929” |
| peaky | adjective | having or as if having especially high-pitched spots |
| peak | verb | to reach the highest point; attain maximum intensity, activity |
| blossom | verb | develop or come to a promising stage |
| flush | adjective | having an abundant supply of money or possessions of value |
| elevate | verb | give a promotion to or assign to a higher position |
| superlative | adjective | highest in quality |
| meridian | adjective | being at the best stage of development; - Robert Browning |
| top | verb | be ahead of others; be the first |
| crest | verb | lie at the top of |
| summit | verb | reach the summit (of a mountain) |
| point | verb | give a point to |
| apical | adjective | situated at an apex |
| peak | noun | the highest level or degree attainable; the highest stage of development |