Old French flagitieux or Latin flāgitiōsus, both ultimately from flāgitium (“shameful crime”).
flagitious (comparative more flagitious, superlative most flagitious)
- (literary) (of people) Guilty of terrible crimes; wicked, criminal.
- 1716 Nov 7th, quoted from 1742, probably Alexander Pope, God's Revenge Against Punning, from Miscellanies, 3rd volume, page 227:
- This young Nobleman was not only a flagitious Punster himself, but was accessary to the Punning of others, by Consent, by Provocation, by Connivance, and by Defence of the Evil committed […].
- (literary) Extremely brutal or wicked; heinous, monstrous.
- 1959 (1985), Rex Stout, "Assault on a Brownstone", Death Times Three, page 186:
- As he entered he boomed: "Monstrous! Flagitious!"