- 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