Supercilious – Behaving as if you are better than other people
Super and silky and oblivious (supercilious) she always behaved as if she was better than other people.
Examples of supercilious in a sentence
She left her previous partner because she could no longer put up with they're selfish and supercilious behaviour.
His supercilious attitude often lead him to be excluded from social events as his peers found it incredibly off-putting.
Her supercilious nature is often attributed to her parent's spoiling her as a child.