1. the highest points or peaks of mountains or tall structures
2. the highest levels of achievement, success, or development
Usage: figurative
3. tall, pointed architectural features or decorative elements on buildings
Usage: architecture

Examples

• The snow-covered pinnacles of the mountain range were visible from miles away.
• She reached the pinnacles of her career when she won the Nobel Prize.
• The cathedral’s Gothic pinnacles stretched toward the sky.
• These achievements represent the pinnacles of human accomplishment.
• Rock climbers attempted to scale the jagged pinnacles of the cliff face.
• The company’s success reached new pinnacles this quarter.
• Medieval churches often featured ornate stone pinnacles on their towers.