Word of the Day, Part II

From William F. Buckley:

"But a failure to attend church on Sunday is, by Catholic standards, contumacious, an ostentatious rejection of a formal obligation."

con·tu·ma·cious

Pronunciation:
\ˌkän-tü-ˈmā-shəs, -tyü-ˈ, -chə-ˈ\

Function:
adjective

: stubbornly disobedient : rebellious