- peak - of a period of maximal use or demand or activity; "at peak hours the streets traffic is unbelievable"
Antonyms: off-peak, off-season
- highest, peak - approaching or constituting a maximum; "maximal temperature"; "maximum speed"; "working at peak efficiency"
Antonyms: minimal, minimum (indirect, via maximal, maximum)
Antonyms: minimal, minimum (indirect, via maximal, maximum)
- extremum, peak - the most extreme possible amount or value; "voltage peak"
--1 is a kind of limit, limitation
--1 has particulars: minimum, lower limit; maximum, upper limitDerived form: verb peak1 - flower, prime, peak, heyday, bloom, blossom, efflorescence, flush - the period of greatest prosperity or productivity
--2 is a kind of time period, period of time, period
--2 has particulars: golden age - acme, height, elevation, peak, pinnacle, summit, superlative, top - the highest level or degree attainable; "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"
--3 is a kind of degree, level, stage, point
Derived form: verb peak1 - peak, crown, crest, top, tip, summit - the top point of a mountain or hill; "the view from the peak was magnificent"; "they clambered to the summit of Monadnock"
--4 is a kind of topographic point, place, spot
--4 has particulars: hilltop, brow; pinnacle; mountain peak - point, tip, peak - a V shape; "the cannibal's teeth were filed to sharp points"
--5 is a kind of convex shape, convexity
--5 is a part of
--5 has particulars: widow's peak; cusp; headcone, conoid, cone shape; alpenstock; sword, blade, brand, steel; pencil; arrowhead; knife - vertex, peak, apex, acme - the highest point (of something); "at the peak of the pyramid"
--6 is a kind of extreme point, extreme, extremum
--6 has particulars: crown; roof peak - bill, peak, eyeshade, visor, vizor - a brim that projects to the front to shade the eyes; "he pulled down the bill of his cap and trudged ahead"
--7 is a kind of brim
--7 is a part ofbaseball cap, jockey cap, golf cap; kepi, peaked cap, service cap, yachting cap