say it: sangk-tuh-MOH-nee-uhs
sanctimonious is an adjective meaning "excessively or hypocritically pious". It carries one recorded sense.
excessively or hypocritically pious
“a sickening sanctimonious smile”
Definitions, synonyms and semantic relations for sanctimonious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.