Roget's Thesaurus: Entry 355 (Unctuousness)

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#355. Unctuousness. -- N. unctuousness &c. adj.; unctuosity[obs], lubricity; ointment &c. (oil) 356; anointment; lubrication &c. 332.

V. oil &c. (lubricate) 332.

Adj. unctuous, oily, oleaginous, adipose, sebaceous; unguinous[obs]; fat, fatty, greasy; waxy, butyraceous, soapy, saponaceous[obs], pinguid, lardaceous[obs]; slippery.