Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “supercilious”


adjective     /ˌsuː.pəˈsɪl.i.əs/ US  /-pɚ-/ disapproving
behaving as if you are better than other people, and that their opinions, beliefs, or ideas are not important: He spoke in a haughty, supercilious voice.Showing arrogance and conceitConfidence and self-assuranceBoasting superciliously     /-li/ adverb superciliousness     /-nəs/ noun [U]
(Definition of supercilious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of supercilious

Word of the Day


If you crew a boat, or crew for someone on their boat, you help to sail it.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More