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unrefined

[uhn-ri-fahynd] /ˌʌn rɪˈfaɪnd/
adjective
1.
not refined; not purified, as substances:
unrefined metal.
2.
coarse or crude; lacking in refinement of taste, feeling, manners, language, etc.
Origin of unrefined
1585-1595
1585-95; un-1 + refined
Synonyms
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. 2015.
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British Dictionary definitions for unrefined

unrefined

/ˌʌnrɪˈfaɪnd/
adjective
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 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unrefined
adj.

1590s, "not refined in manners," from un- (1) "not" + past participle of refine (v.). Meaning "not free from gross matter" is recorded from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
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