Dictionary

1peak

noun \ˈpēk\

: the pointed top of a mountain

: a tall mountain with a pointed or narrow top

: something that looks like a pointed top of a mountain

Full Definition of PEAK

1
:  a pointed or projecting part of a garment; especially :  the visor of a cap or hat
2
3
:  a sharp or pointed end
4
a (1) :  the top of a hill or mountain ending in a point (2) :  a prominent mountain usually having a well-defined summit
b :  something resembling a mountain peak
5
a :  the upper aftermost corner of a fore-and-aft sail
b :  the narrow part of a ship's bow or stern or the part of the hold in it
6
a :  the highest level or greatest degree
b :  a high point in a course of development especially as represented on a graph
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Origin of PEAK

perhaps alteration of pike
First Known Use: 1530

Synonym Discussion of PEAK

summit, peak, pinnacle, climax, apex, acme, culmination mean the highest point attained or attainable. summit implies the topmost level attainable <at the summit of the Victorian social scene>. peak suggests the highest among other high points <an artist working at the peak of her powers>. pinnacle suggests a dizzying and often insecure height <the pinnacle of worldly success>. climax implies the highest point in an ascending series <the war was the climax to a series of hostile actions>. apex implies the point where all ascending lines converge <the apex of Dutch culture>. acme implies a level of quality representing the perfection of a thing <a statue that was once deemed the acme of beauty>. culmination suggests the outcome of a growth or development representing an attained objective <the culmination of years of effort>.

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

2peak

verb

Definition of PEAK

intransitive verb
:  to reach a maximum (as of capacity, value, or activity) —often used with out
transitive verb
:  to cause to come to a peak, point, or maximum

First Known Use of PEAK

1577

3peak

adjective

: at the highest point or level

: filled with the most activity

Full Definition of PEAK

:  being at or reaching the maximum <peak levels> <peak output>; also :  of, relating to, or being a period of maximum intensity or activity <peak business hours>

First Known Use of PEAK

1903

4peak

verb

Definition of PEAK

intransitive verb
1
:  to grow thin or sickly
2
:  to dwindle away

Origin of PEAK

origin unknown
First Known Use: 1605

5peak

verb

Definition of PEAK

transitive verb
1
:  to set (as a gaff) nearer the perpendicular
2
:  to hold (oars) with blades well raised

Origin of PEAK

from apeak held vertically
First Known Use: 1626
PEAK Defined for Kids

peak

noun \ˈpēk\

Definition of PEAK for Kids

1
:  a prominent mountain <We saw a snowy peak rising from the plain.>
2
:  the pointed top of a hill or mountain <I climbed all the way to the peak.>
3
:  a sharp or pointed end <The roof rises to a peak.>
4
:  the highest point of development <He is at the peak of his career.>
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