English dictionary

apex

/'/eI/p/E/ks/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the highest point (of something)

noun.location

Synonyms acme peak vertex

Source: WordNet 3.0
the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars

noun.location

Antonyms antapex

Source: WordNet 3.0
The tip, top, point, or angular summit of anything; as, the <i>apex</i> of a mountain, spire, or cone; the <i>apex</i>, or tip, of a leaf.

noun

Source: webster1913