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verb, re·fine \ri-ˈfīn\

Simple Definition of refine

  • : to remove the unwanted substances in (something)

  • : to improve (something) by making small changes

Source: Merriam-Webster's Learner's Dictionary

Full Definition of refine


  1. transitive verb
  2. 1 :  to free (as metal, sugar, or oil) from impurities or unwanted material

  3. 2 :  to free from moral imperfection :  elevate

  4. 3 :  to improve or perfect by pruning or polishing <refine a poetic style>

  5. 4 :  to reduce in vigor or intensity

  6. 5 :  to free from what is coarse, vulgar, or uncouth

  7. intransitive verb
  8. 1 :  to become pure or perfected

  9. 2 :  to make improvement by introducing subtleties or distinctions

refiner noun

Examples of refine in a sentence

  1. The inventor of the machine spent years refining the design.

  2. The class is meant to help you refine your writing style.


First Known Use of refine


Rhymes with refine

A-line, affine, airline, align, alkyne, alpine, assign, at sign, balkline, baseline, beeline, benign, bloodline, blue line, blush wine, bovine, bowline, branchline, breadline, bright-line, buntline, bustline, byline, call sign, canine, caprine, carbine, carmine, cervine, chow line, clothesline, cloud nine, coastline, combine, compline, condign, confine, consign, corvine, cosign, cutline, dateline, deadline, decline, define, design, divine, dragline, driveline, earthshine, Einstein, eiswein, end line, enshrine, entwine, equine, ethyne, fall line, fault line, feline, ferine, first-line, flatline, flight line, foul line, fräulein, frontline, front line, goal line, gold mine, grapevine, guideline, hairline, hard-line, hard pine, headline, hemline, high sign, hipline, Holbein, hotline, ice wine, incline, indign, in fine, in-line, Irvine, jawline, jug wine, landline, land mine, lang syne, lifeline, load line, longline, lupine, mainline, main line, malign, midline, moline, moonshine, neckline, off-line, old-line, online, opine, outline, outshine, ovine, Pauline, peace sign, Petrine, pipeline, piscine, pitch pine, plotline, plumb line, plus sign, pontine, porcine, potline, pound sign, propine, punch line, rapine, recline, redline, red pine, reline, repine, resign, Rhine wine, ridgeline, roofline, Sabine, saline, Scotch pine, scrub pine, setline, shoreline, short line, sideline, sight line, skyline, snow line, soft-line, spring line, straight-line, strandline, straw wine, streamline, strip mine, strychnine, subline, sunshine, supine, syncline, taurine, tie-line, times sign, topline, touchline, towline, tramline, trapline, tree line, trephine, trotline, truckline, trunk line, tumpline, turbine, untwine, ursine, vespine, V sign, vulpine, waistline, white line, white pine, white wine, woodbine, yard line, zebrine, Z line

REFINE Defined for Kids


verb re·fine \ri-ˈfīn\

Definition of refine for Students


  1. 1 :  to bring to a pure state <refine sugar>

  2. 2 :  to make better :  improve <He's refining his recipe.>

Medical Dictionary


transitive verb re·fine \ri-ˈfīn\

Medical Definition of refine

refined; refining

  1. :  to free (as sugar or oil) from impurities or unwanted material

Seen and Heard

What made you want to look up refine? Please tell us where you read or heard it (including the quote, if possible).


to dishevel or rumple

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