egregious

Etymology

From Latin ēgregius, from e- (“out of”), + grex (“flock”), + English adjective suffix -ous, from Latin suffix -osus (“full of”); reflecting the positive connotations of "standing out from the flock".

adj

1. Conspicuous, exceptional, outstanding; usually in a negative sense.
   The student has made egregious errors on the examination.
   16thC, Christopher Marlowe, Ignoto, I cannot cross my arms, or sigh "Ah me," / "Ah me forlorn!" egregious foppery! / I cannot buss thy fill, play with thy hair, / Swearing by Jove, "Thou art most debonnaire!"
   22 March 2012, Scott Tobias, AV Club The Hunger Gameshttp://www.avclub.com/articles/the-hunger-games,71293/ When the goal is simply to be as faithful as possible to the material—as if a movie were a marriage, and a rights contract the vow—the best result is a skillful abridgment, one that hits all the important marks without losing anything egregious.
   She's sitting opposite a window that's gently breezing into her face, wafting her hair into cover-girl perfection ... It's a little moment that seems to encapsulate her appeal: ... her gorgeousness being so egregious that even breezes oblige with their tousle-fanning effects ... 21 January 2014, Hermione Hoby, “Julia Roberts interview for August: Osage County – 'I might actually go to hell for this ...': Julia Roberts reveals why her violent, Oscar-nominated performance in August: Osage County made her feel 'like a terrible person' [print version: 'I might actually go to hell for this ...' (18 January 2014, p. R4)]”, in The Daily Telegraph (Review)
2. Outrageously bad; shocking.