santurrón
sanctimonious
santo
saint
+
-ón
augmentative suffix
Santurrón means sanctimonious and can be thought of as an exaggerated form of santo0 (saint0) with the -ón1 suffix implying excessiveness1.
adjective
- sanctimoniousExcessively or hypocritically piousSu actitud santurrona molesta a todos. // His sanctimonious attitude annoys everyone.