pinnacle🔊

The highest point. +

(geology) A tall, sharp and craggy rock or mountain.

(figuratively) An all-time high; a point of greatest achievement or success. +

(architectural element) 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.

To place on a pinnacle.

To build or furnish with a pinnacle or pinnacles.