Meaning of the word sanctimonious in English

What does sanctimonious mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sanctimonious

US /ˌsæŋk.təˈmoʊ.ni.əs/
UK /ˌsæŋk.tɪˈməʊ.ni.əs/

Adjective

acting as if morally superior to others; hypocritically pious or self-righteous

Example:
His sanctimonious attitude made him unpopular with his colleagues.
She delivered a sanctimonious lecture on the importance of honesty, despite her own questionable ethics.