Definitions of pinnacle:
- noun: (architecture) a slender upright spire at the top of a buttress of tower
- noun: a lofty peak
- noun: the highest level or degree attainable
Example: "...catapulted Einstein to the pinnacle of fame"
- verb: surmount with a pinnacle
Example: "Pinnacle a pediment"
- verb: raise on or as if on a pinnacle
Example: "He did not want to be pinnacled"
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