slippery

Oily substances render things slippery.

a slippery person

Which when they fall, as being slippery standers, / The love that leaned on them, as slippery too, / Do one pluck down another, and together / Die in the fall.

He looking down

With scorn or pity on the slippery state

Of kings, will tread upon the neck of fate.

My wife is slippery? If thou wilt confess –