What does "unctuous" mean?

Unctuous: Having a smooth, greasy feel, as certain minerals.

Additional senses

  1. 2.Bland; suave; also, tender; fervid; as, an unctuous speech; sometimes, insincerely suave or fervid. -- Unc"tu*ous*ly, adv. -- Unc"tu*ous*ness, n.

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