• IPA: /ˈpɪnəkəl/

pinnacle (plural pinnacles)

1. The highest point.

   Antonyms: nadir

2. A tall, sharp and craggy rock or mountain.
3. (figuratively) An all-time high; a point of greatest achievement or success.
4. (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.
   • 1667, John Milton, “Book 3”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:

     Some renowned metropolis / With glistering spires and pinnacles around.

• See also Thesaurus:apex

• French: cime
• German: Gipfel
• Italian: pinnacolo, cima, picco, somma, guglia, cuspide
• Russian: пик
• Spanish: cumbre, pináculo

• French: pic
• German: Felsnadel, Felsturm
• Italian: cima, picco
• Russian: остроконечный
• Spanish: pico

• German: Höhepunkt
• Italian: apogeo, culmine, apice
• Russian: пик
• Spanish: ápice, pináculo

• French: pinacle
• German: Pinakel
• Italian: pinnacolo
• Portuguese: pináculo
• Spanish: pináculo

pinnacle (pinnacles, present participle pinnacling; past and past participle pinnacled)

1. To put something on a pinnacle.
2. To build or furnish with a pinnacle or pinnacles.