impermissible /im-pər-misˈi-bl/

1. Not permissible
2. Not allowed

• double bonds
• double-book
• double-booked
• double-booking
• double-books
• double-bottom
• double-bottom lorry
• double-breasted
• double bridle
• double bridles
• double-bubble
• double-charge
• double-charged
• double-charges
• double-charging
• double-check
• double-checked
• double-checking
• double-checks
• double chin
• double-chinned
• double chins
• double-click
• double-clicked
• double-clicking