definition of
pinnacle

[1] #1 pinnacle n. (architecture) a slender upright spire at the top of a buttress of tower. wn

[2] #2 pinnacle v. surmount with a pinnacle; "pinnacle a pediment". wn

[3] #3 pinnacle n. [acme, height, elevation, peak, summit, superlative, meridian, tiptop, top] the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catap. wn

[4] #4 pinnacle v. raise on or as if on a pinnacle; "He did not want to be pinnacled". wn

[5] #5 pinnacle n. a lofty peak. wn