refine

verb

re·​fine ri-ˈfīn How to pronounce refine (audio)
refined; refining

transitive verb

1
: to free (something, such as metal, sugar, or oil) from impurities or unwanted material
2
: to free from moral imperfection : elevate
3
: to improve or perfect by pruning or polishing
refine a poetic style
4
: to reduce in vigor or intensity
5
: to free from what is coarse, vulgar, or uncouth

intransitive verb

1
: to become pure or perfected
2
: to make improvement by introducing subtleties or distinctions
refiner noun

Examples of refine in a Sentence

The inventor of the machine spent years refining the design. The class is meant to help you refine your writing style.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The researchers plan to refine their algorithm to better differentiate between the drivers of mangrove change, such as extreme weather, rising sea levels or human activity. Jason Fields, Newsweek, 5 Dec. 2024 Driving Continuous Improvement By continuously learning from new data and adapting to changing conditions, AI helps maintenance teams refine their operations over time, ensuring their practices remain effective and aligned. Michael Amori, Forbes, 4 Dec. 2024 The researchers refined the robot’s wing design from past versions with a new geometry that Qing says achieved a better overall balance of speed and efficiency. Mack Degeurin, Popular Science, 4 Dec. 2024 These pore strips are meant to be used for at least four hours (or overnight) so that the ingredients sink and refine the appearance of pores long after peeling them off. Christa Joanna Lee, Allure, 3 Dec. 2024 See all Example Sentences for refine 

Word History

First Known Use

1582, in the meaning defined at transitive sense 1

Time Traveler
The first known use of refine was in 1582

Dictionary Entries Near refine

Cite this Entry

“Refine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refine. Accessed 18 Dec. 2024.

Kids Definition

refine

verb
re·​fine ri-ˈfīn How to pronounce refine (audio)
refined; refining
1
: to come or bring to a pure state
refine sugar
2
: to make or become improved
3
: to free from what is vulgar
4
: to improve by introducing something that makes a small difference
refined upon the older methods
refiner noun

Medical Definition

refine

transitive verb
re·​fine ri-ˈfīn How to pronounce refine (audio)
refined; refining
: to free (as sugar or oil) from impurities or unwanted material

More from Merriam-Webster on refine

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