refined; refining
Synonyms of refine

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

refiner

2 of 2

noun

re·​fin·​er
ri-ˈfī-nər
plural -s
: one that refines: such as
a
: one whose work is refining a specified thing
lard refiner
oil refiner
b
: a machine that gives the final mechanical treatment to paper stock

Examples of refine in a Sentence

Verb 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.
Verb
The restaurant serves refined California cuisine with European influences, accompanied by classic cocktails and sweeping views of Los Angeles. Stephan Rabimov, Forbes.com, 10 Aug. 2026 Its observations helped refine the age of the Universe, study black holes, discover thousands of galaxies, and capture some of the most iconic images ever taken from space. Kaif Shaikh, Interesting Engineering, 9 Aug. 2026 Spending time with pets can help youth refine their social skills and learn how to handle emotions, according to recent studies. Medara Udoekong, Christian Science Monitor, 8 Aug. 2026 The Jeep Cherokee's interior is comfy and refined for a mainstream model. Charles Singh, USA Today, 8 Aug. 2026 See All Example Sentences for refine

Word History

First Known Use

Verb

1582, in the meaning defined at transitive sense 1

Time Traveler
The first known use of refine was in 1582

Browse Nearby Words

Cite this Entry

“Refine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/refine. Accessed 14 Aug. 2026.

Kids Definition

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
refined; refining
: to free (as sugar or oil) from impurities or unwanted material

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