4
immoderate(adjective, severe, harsh, exceptional, extreme)
4
lamentable
4
offensive(adjective, severe, unpleasant, awful, terrible)
4
out-and-out
4
outstanding(adjective, unusual, special, obvious, rare)
4
shameful(adjective, bad, wrong, severe, evil)
4
stark(adjective, bad)
4
uncommon(adjective, severe, harsh, unusual, exceptional)
4
unconscionable(adjective, offensive, unreasonable, extreme, extravagant)
4
utter
4
vile(adjective, bad, wrong, evil, nasty)
3
aberrant(unusual, special, immoral, rare, atrocious)
3
absolute
3
absurd(adjective, absurdity, intolerable, ungovernable)
3
anomalous(unusual, special, rare, unconformity)
3
base(adjective, bad, wrong, evil, offensive)
3
blatant
3
calamitous
3
clear
3
complete
11 years ago|13k views|share |citing 
APASmart Define. (2015). egregious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/egregious/thesaurus/synonyms
ChicagoSmart Define. 2015. "egregious thesaurus" https://smartdefine.org/egregious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, egregious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/egregious/thesaurus/synonyms>.
MLASmart Define. "egregious thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/egregious/thesaurus/synonyms>