Summit vs. Pinnacle

Difference Between Summit and Pinnacle
Summitnoun
(countable) A peak; the topmost point or surface, as of a mountain.
In summer, it is possible to hike to the summit of Mount Shasta.Pinnaclenoun
The highest point.
Summitnoun
(countable) A gathering or assembly of leaders.
They met for an international summit on environmental issues.Pinnaclenoun
A tall, sharp and craggy rock or mountain.
Summitverb
To reach the summit of a mountain.
Pinnaclenoun
(figuratively) An all-time high; a point of greatest achievement or success.
Summitpronoun
Something
I need to get summit to eat.Pinnaclenoun
(architecture) An upright member, generally ending in a small spire, used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire.
Summitnoun
the highest level or degree attainable;
his landscapes were deemed the acme of beautythe artist's gifts are at their acmeat the height of her careerthe peak of perfectionsummer was at its peak...catapulted Einstein to the pinnacle of famethe summit of his ambitionso many highest superlatives achieved by manat the top of his professionPinnacleverb
To put something on a pinnacle.
Summitnoun
the top point of a mountain or hill;
the view from the peak was magnificentthey clambered to the summit of MonadnockPinnacleverb
To build or furnish with a pinnacle or pinnacles.
Summitnoun
a meeting of heads of governments
Pinnaclenoun
(architecture) a slender upright spire at the top of a buttress of tower
Summitverb
reach the summit of a mountain;
Many mountaineers go up Mt. Everest but not all summitPinnaclenoun
the highest level or degree attainable;
his landscapes were deemed the acme of beautythe artist's gifts are at their acmeat the height of her careerthe peak of perfectionsummer was at its peak...catapulted Einstein to the pinnacle of famethe summit of his ambitionso many highest superlatives achieved by manat the top of his professionPinnaclenoun
a lofty peak
Pinnacleverb
surmount with a pinnacle;
pinnacle a pedimentPinnacleverb
raise on or as if on a pinnacle;
He did not want to be pinnacled