banjax /ban-jaksˈ or banˈ/ (slang)

1. To ruin, destroy
2. To thwart

• grumly
• grummer
• grummest
• grummet
• grummet-hole
• grummet-holes
• grummets
• grumness
• grumnesses
• grumose
• grumous
• grump
• grumped
• grumph
• grumphed
• grumphie
• grumphies
• grumphing
• grumphs
• grumpier
• grumpies
• grumpiest
• grumpily
• grumpiness
• grumpinesses