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Unctuous

Adjective | /unctuous/

Advanced WordsHARD

Excessively flattering or ingratiating in a way that seems insincere; also, oily or greasy in texture.

Learning Progress

Synonyms

smarmyoilyingratiating

Antonyms

sincereforthright

Examples

"The salesperson’s unctuous compliments made the customers suspicious. Means: The salesperson’s excessive, insincere flattery made the customers suspicious."

"The sauce was rich and unctuous from the added butter. Means: The sauce had a smooth, oily richness from the butter."

Mnemonic Trick

Unctuous can describe oily food or oily-sounding flattery that feels insincere.

Source: Advanced WordsAdded: 9/29/2026

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