egregious

adjective2

1. •
   Conspicuous, exceptional, outstanding; usually in a negative sense.

   • The student has made egregious errors on the examination.
   • 16th century, 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!"
2. •
   Outrageously bad; shocking.