duff² /duf/ (informal)

1. No good
2. Broken, not working

• silver-tongued
• silver tree
• silver trees
• silver-voiced
• silverware
• silver wedding
• silver weddings
• silverweed
• silverweeds
• silver white
• silver-white
• silvery
• silver Y
• silvestrian
• silvicultural
• silviculture
• silvicultures
• sim
• sima
• simar
• simarouba
• simaroubaceous
• simaroubas
• simarre
• simaruba