oily

US /ˈɔɪ.li/
UK /ˈɔɪ.li/
"oily" picture
1.

covered with or containing oil or grease

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The mechanic's hands were covered in oily grime.
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She dabbed her face with a tissue to remove the oily shine.
:
greasyfattybutteryslickunctuous
2.

having a smooth, ingratiating, or unctuous manner

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His oily charm didn't fool anyone.
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He gave an oily smile and tried to flatter her.
:
unctuoussmarmysycophanticingratiatingfawning