not refined; not purified, as substances: unrefined metal.
coarse or crude; lacking in refinement of taste, feeling, manners, language, etc.

1585–95; un-1 + refined

1. unpurified, crude, coarse. 2. unpolished, uncultured, ill-bred, rude, boorish, vulgar, gross.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To unrefined
World English Dictionary
unrefined (ˌʌnrɪˈfaɪnd)
1.  (of substances such as petroleum, ores, and sugar) not processed into a pure or usable form
2.  coarse in manners or language

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1595, "not refined in manners," from un- (1) "not" + pp. of refine. Meaning "not free from gross matter" is recorded from c.1610.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
The turbocharged four-cylinder engine has spirited performance but sounds
  somewhat coarse and unrefined.
Basically a glorified clock radio, it has a chintzy, careless interface with
  speakers that spew a tinny unrefined sound.
The technical benefits of new media to photojournalists in crisis zones are
  equivalent to unrefined digital omniscience.
Hoagland may be a bit undereducated and unrefined in his speaking style.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature