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has been perfecting
  • present perfect progressive of perfect (3rd person singular).

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The move laid bare a strategy that Silicon Valley has been perfecting for years: ditch the tech-sceptics of the traditional press, and build your own media.

From Barron's • Apr. 3, 2026

Downright Bedding has been perfecting down for 50 years, handcrafting comforters, pillows, and feather beds to order.

From Salon • Nov. 20, 2025

They visit artisans at work making tie-dye cloth in nearby Arimatsu, a village that has been perfecting the art of dyeing fabrics in intricate patterns for 400 years.

From The Wall Street Journal • Nov. 4, 2025

For Barrington Darius, a creative director, photographer, director and model, beauty is found in freedom, and freedom is found in practice, specifically a hair-cutting practice Darius has been perfecting for the last few years.

From Los Angeles Times • Oct. 17, 2024

"Jessie has been perfecting her skill by a bit of private practice, while we were making havoc of our neighbors' characters."

From Jessamine A Novel by Harland, Marion