Definition of pinnacle
(Entry 1 of 2)
1
: an upright architectural member generally ending in a small spire and used especially in Gothic construction to give weight especially to a buttress
2
: a structure or formation suggesting a pinnacle
specifically
: a lofty peak
3
: the highest point of development or achievement : acme
pinnacle
verbDefinition of pinnacle (Entry 2 of 2)
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Merriam-Webster unabridged
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Time Traveler for pinnacle
The first known use of pinnacle was in the 14th century
See more words from the same century