adj.
Pronunciation: ˌ sa ŋ (k)-t ə - ' m ō -n ē - ə s, -ny ə s
Function: adjective
Date: 1603
1 : hypocritically pious or devout <a sanctimonious moralist> <the king's sanctimonious rebuke ― G. B. Shaw>
2 obsolete : possessing sanctity : HOLY
– sanc · ti · mo · nious · ly adverb
– sanc · ti · mo · nious · ness noun