piacular /pī-akˈū-lər/

1. Expiatory
2. Requiring expiation
3. Atrociously bad

• improvability
• improvable
• improvableness
• improvablenesses
• improvably
• improve
• improved
• improvement
• improvements
• improver
• improvers
• improves
• improve the occasion
• improvidence
• improvidences
• improvident
• improvidently
• improving
• improvingly
• improvisate
• improvisated
• improvisates
• improvisating
• improvisation
• improvisational