hellacious /he-lāˈshəs/ (N American informal)

1. Very bad
2. Terrible
3. Enormous
4. Remarkable
5. Excellent (slang)

• adverbialize
• adverbialized
• adverbializes
• adverbializing
• adverbially
• adverbs
• ad verbum
• adversaria
• adversarial
• adversaries
• adversary
• adversative
• adverse
• adversely
• adverseness
• adversenesses
• adverser
• adversest
• adversities
• adversity
• advert
• adverted
• advertence
• advertences
• advertencies