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Synonyms

apex

1 American  
[ey-peks] / ˈeɪ pɛks /

noun

plural

apexes, apices
  1. the tip, point, or vertex; summit.

  2. climax; peak; acme.

    His election to the presidency was the apex of his career.

  3. Astronomy. solar apex.


APEX 2 American  
[ey-peks] / ˈeɪ pɛks /

noun

  1. a type of international airfare offering reduced rates for extended stays that are booked in advance.


apex 1 British  
/ ˈeɪpɛks /

noun

  1. the highest point; vertex

  2. the pointed end or tip of something

  3. a pinnacle or high point, as of a career, etc

  4. Also called: solar apexastronomy the point on the celestial sphere, lying in the constellation Hercules, towards which the sun appears to move at a velocity of 20 kilometres per second relative to the nearest stars

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

APEX 2 British  
/ ˈeɪpɛks /

acronym

  1. Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance

  2. (in Britain) Association of Professional, Executive, Clerical, and Computer Staff

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of apex1

Borrowed into English from Latin around 1595–1605

Origin of APEX2

First recorded in 1970–75; A(dvance) P(urchase) Ex(cursion)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We became apex predators not because of individualism but because of a sense of community.

From Salon

Some species were small, squid-eating hunters measuring less than 1 m long, while others were enormous apex predators exceeding 5 m in length.

From Science Daily

There are few places in the world better suited to deer than modern Britain with its mild climate, open countryside, no animal apex predators and few human hunters.

From BBC

The move marks an apex in the steady migration of viewers and programming to streaming platforms and away from cable and broadcast television networks.

From MarketWatch

The following gallery pushes visitors to imagine the overall effects of bronze across the varied surfaces of Angkor during the apex of Khmer power in the 12th and 13th centuries.

From The Wall Street Journal