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a·pex

apex

 
 
pronunciation:
eI peks
part of speech: noun
inflections: apexes, apices
definition: the highest point; tip.
The wind swirled around the apex of the mountain.
 
synonyms:
tip, top, vertex, zenith
antonyms:
base, bottom
similar words:
crest, crown, head, height, meridian, peak, summit