This adjective describes an oily substance or an insincere affected person

Below you can find the This adjective describes an oily substance or an insincere affected person Jeopardy Words Answer. The answer to This adjective describes an oily substance or an insincere affected person has 8 letters. This clue belongs to the It starts with u category and is part of Jeopardy Word Level 1800. If you scroll near the bottom you will find other clues and answers part of level 1800