scurril or scurrile /skurˈil/

1. Like or worthy of a vulgar buffoon
2. Indecently opprobrious or jocular

• filter cake
• filter coffee
• filter coffees
• filtered
• filter-feeder
• filter-feeders
• filter-feeding
• filtering
• filter paper
• filter papers
• filter-passer
• filters
• filter tip
• filter-tipped
• filter tips
• filth
• filthier
• filthiest
• filthily
• filthiness
• filthinesses
• filths
• filthy
• filthy lucre
• filthy rich