oilier

/OY1 L IY0 ER0/
adjective
  1. 1

    Relating to or resembling oil.

  2. 2

    Covered with or containing oil.

  3. 3

    Excessively friendly or polite but insincere.

Source: https://en.wiktionary.org/wiki/oilier, https://en.wiktionary.org/wiki/oily