unctuous

She laughed a rich, unctuous laugh, and stretched her hands to the blaze.

A voice, which was unctuous and insinuative, emanated from the figure.

"I haven't the slightest doubt of it," Bobby responded, with unctuous emphasis.

All this came out of her like an unctuous trickle of some acrid oil.

"The member is unduly excited," replied the chairman, in his most unctuous tones.

It had an earthy, insipid taste, and is described as "unctuous."

"Good-evening, Marta," boomed the clergyman's unctuous tones.

He gesticulated freely and spoke in an unctuous, fawning tone.

The old man sat there, as solemn and unctuous as ever he had in his pew at church.

"A sad pity," Mrs. Madgwick was remarking in her unctuous voice.