1 the highest point or level, esp. of fame, success, etc.
2 a towering peak, as of a mountain
3 a slender upright structure in the form of a cone, pyramid, or spire on the top of a buttress, gable, or tower
4 to set on or as if on a pinnacle
5 to furnish with a pinnacle or pinnacles
6 to crown with a pinnacle
(C14: via Old French from Late Latin pinnaculum a peak, from Latin pinna wing)
English Collins Dictionary - English Definition & Thesaurus
1 acme, apex, apogee, crest, crown, eminence, height, meridian, peak, summit, top, vertex, zenith
2 belfry, cone, needle, obelisk, pyramid, spire, steeple
English Collins Dictionary - English synonyms & Thesaurus
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