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pinnacle

1 ENTRIES FOUND:
pinnacle /ˈpɪnɪkəl/ noun
plural pinnacles
pinnacle
/ˈpɪnɪkəl/
noun
plural pinnacles
Britannica Dictionary definition of PINNACLE
[count]
: the best or most important part of something : the point of greatest success or achievement usually singular
often + of
: a tower on the roof of a building that comes to a narrow point at the top