Definition of "oily"
adjective:
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Relating to oil.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Smeared with or containing oil.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Excessively friendly or polite so as to sound insincere.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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noun:
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A marble with an oily lustre.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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