I lapsed into rude.

Who or what are you? Besides insufferably rude?

Rudeness is a means to attract attention, assert power, cover-up ineptitude, deflect personal insecurities, and intimidate meeker people.

We're trying to reach out to people that don't go to church or maybe are lapsed Catholics,

Second, 14 years have lapsed and neither any concrete evidence of conspiracy has come forward nor are there any new revelations.

I don't mean to be rude—" he began, in a tone that threatened rudeness in every syllable.
"Yet, sadly, accidental rudeness occurs alarmingly often," Dumbledore finished the sentence gravely.