1. pinnacle - Noun
2. pinnacle - Verb
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.
To build or furnish with a pinnacle or pinnacles.
Source: Webster's dictionaryEvery loneliness is a pinnacle. Ayn Rand
You have reached the pinnacle of success as soon as you become uninterested in money, compliments, or publicity. Thomas Wolfe
The stern hand of fate has scourged us to an elevation where we can see the great everlasting things which matter for a nation - the great peaks we had forgotten, of Honor, Duty, Patriotism, and clad in glittering white, the great pinnacle of Sacrifice pointing like a rugged finger to Heaven. David Lloyd George
Tommy Hearns seemed like an indestructible machine, so to beat him, I think that was my defining moment, the pinnacle. Sugar Ray Leonard
The pope notwithstanding, the human species is by no means the pinnacle of evolution. Evolution has no pinnacle and there is no such thing as evolutionary progress. Matt Ridley
I have long believed that sacrifice is the pinnacle of patriotism. Bob Riley