peak
noun.
the most extreme possible amount or value
voltage peak
Synonym: extremum
noun.
the period of greatest prosperity or productivity
Synonym: prime, heyday, flush, flower, efflorescence, blossom, bloom
noun.
the highest level or degree attainable; the highest stage of development
his landscapes were deemed the acme of beauty|the artist's gifts are at their acme|at the height of her career|the peak of perfection|summer was at its peak|...catapulted Einstein to the pinnacle of fame|the summit of his ambition|so many highest superlatives achieved by man|at the top of his profession
Synonym: top, tiptop, superlative, summit, pinnacle, meridian, height, elevation, acme
noun.
the top or extreme point of something (usually a mountain or hill)
the view from the peak was magnificent|they clambered to the tip of Monadnock|the region is a few molecules wide at the summit
Synonym: top, tip, summit, crown, crest
noun.
a V shape
the cannibal's teeth were filed to sharp points
Synonym: point, tip
noun.
the highest point (of something)
at the peak of the pyramid
Synonym: vertex, apex, acme
noun.
a brim that projects to the front to shade the eyes
he pulled down the bill of his cap and trudged ahead
Synonym: bill, eyeshade, visor, vizor
verb.
to reach the highest point; attain maximum intensity, activity
That wild, speculative spirit peaked in 1929|Bids for the painting topped out at $50 million
Synonym: top out