hellacious /he-lāˈshəs/ (N American informal)

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

• mindfucks
• mindful
• mindfully
• mindfulness
• mindfulnesses
• mind-healer
• mind-healing
• minding
• mindings
• mindless
• mindlessly
• mindlessness
• mindlessnesses
• mind mapping
• mind-numbing
• mind-numblingly
• mind one's own business
• mind one's p's and q's
• mind out
• mind-reader
• mind-readers
• mind-reading
• minds
• mindset
• mindsets