An architectural member, upright, and 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, and the like. Pinnacles may be considered primarily as added weight, where it is necessary to resist the thrust of an arch, etc.
Anything resembling a pinnacle; a lofty peak; a pointed summit.
I always planned to retire when I was at the top and at Manchester United I have reached the pinnacle of my career. Eric Cantona
Jane Austen is the pinnacle to which all other authors aspire. J. K. Rowling
There are lots of people shaping decisions, and so if we want to predict correctly, we have to pay attention to everybody who is trying to shape the outcome, not just the people at the pinnacle of the decision-making pyramid. Bruce Bueno de Mesquita
The pinnacle of the fulfillment I can ever experience for my spirit and soul is to hear from the Lord, when I see Him face to face, 'Well done my good and faithful servant.' Nick Vujicic
The point of Jesus' existence wasn't to lessen or diminish our appreciation of each other, but to expand our appreciation of each other by reminding us what lies within all of us, because Jesus was an example of the pinnacle of human evolution. Marianne Williamson