1. Haughty; dictatorial; overbearing; arrogant.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• superfilous,
• supersitious,
• supercillious,
• aupercilious,
• zupercilious,
• xupercilious,
• dupercilious,
• eupercilious,
• wupercilious,
• sypercilious,
• shpercilious,
• sjpercilious,
• sipercilious,
• supercilius,
• supercilios,
• superciliium,
• Superciliari,
• supercuriuos,
• superculcus,
• supercillum

• supercilium,
• superscription,
• superclass,
• superscribe,
• superciliously,
• superstition,
• superstitiously,
• supercargo,
• superscript,
• supper club,
• superstring,
• superstitious.

The adjective form of the word "supercilious" is "supercilious".

The plural form of the word "supercilious" is "superciliouses".

The singular form of the word "supercilious" is "supercilium" However, it is important to note that "supercilium" is not commonly used in contemporary English. The more common usage is "supercilious," which is already the singular form.