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 concept echoed the cash-and-carry model he had refined in South Africa.

From The Wall Street Journal • Mar. 30, 2026

They said Turla, the FSB unit believed responsible for the malware, had refined and revised it multiple times as a way to avoid being shut down.

From Seattle Times • May 9, 2023

Sandwell Council said it had refined its contact tracing service to pick up suspected cases of Omicron early.

From BBC • Dec. 6, 2021

At the F.D.A., scientists had refined the standards for authorizing a vaccine for emergency use.

From New York Times • Dec. 31, 2020

In England, farm breeders had refined the creation of novel breeds and variants to a highly sophisticated science.

From "The Gene" by Siddhartha Mukherjee