Word Type

Noun

Proper Noun

The word "apex" can be used as noun and proper noun.

Word Relationships

Opposites (Antonyms)

antapex bottom nadir

Coordinate Terms

vertex

Derived Terms

APEX time antapex apex court apex fallacy apex predator apexcardiogram apexcardiography apexed apexification base over apex orbital apex syndrome periapex subapex

Context

anatomy astronomy aviation botany british geometry mining physics trade union typography us

Broader Terms (Hypernyms)

celestial point extreme extreme point extremum moment

Type Of (IsA)

celestial point

Part Of

celestial sphere

Related Terms

apical mother of all

Related Terms

acute advance classical latin cone deep diacritic excursion expansion geometry heart height highest highest point leaf low mountain mountain top peak petal pinnacle point pointed purchase pyramid root success summit surface tip tooth top top summit top triangle triangle vein vertex very very top vietnamese zenith

Synonym Network

acme end peak vertex zenith

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.