The Collaborative International Dictionary
Sanctiloquent
Sanctiloquent \Sanc*til"o*quent\, a. [L. sanctus holy + loquens, p. pr. of loqui to speak.] Discoursing on heavenly or holy things, or in a holy manner.
Wiktionary
sanctiloquent
a. 1 Speaking of holy or sacred things. 2 Prone to speaking in a sanctimonious manner; preachy.