slip·pery 
/ˈslɪpəri/ adjective
slip·per·i·er; slip·per·i·est /ˈslɪpəri/ adjective [also more slippery; most slippery] 1 : difficult to stand on, move on, or hold because of being smooth, wet, icy, etc.
▪ The trails were muddy and slippery. ▪ The floor looks slippery. ▪ Fish are slippery to hold. ▪ The sign cautions: “Slippery when wet.” 2 : not easy to understand or identify in an exact way
▪ a slippery definition ▪ slippery concepts/notions 3 informal : not able to be trusted : tricky
▪ slippery politicians
▪ The trails were muddy and slippery. ▪ The floor looks slippery. ▪ Fish are slippery to hold. ▪ The sign cautions: “Slippery when wet.”
▪ a slippery definition ▪ slippery concepts/notions
▪ slippery politicians
— slip·per·i·ness noun [noncount]
