See apex in Webster's New World Roget's A-Z Thesaurus II
noun
The highest point:
cap, crest, crown, height, peak, roof, summit, top, vertex. See highThe highest point or state:
acme, apogee, climax, crest, crown, culmination, height, meridian, peak, pinnacle, summit, top, zenith. (Informal) payoff. (Medicine) fastigium. See highA sharp or tapered end:
acicula, acumination, cusp, mucro, mucronation, point, tip1. See sharp
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