Antonyms of adj nonslip

1 sense of nonslip

Sense 1
nonslip -- (designed to reduce or prevent slipping; "a nonslip surface")

INDIRECT (VIA nonslippery) -> slippery, slippy -- (causing or tending to cause things to slip or slide; "slippery sidewalks"; "a slippery bar of soap"; "the streets are still slippy from the rain")

Similarity of adj nonslip

1 sense of nonslip

Sense 1
nonslip -- (designed to reduce or prevent slipping; "a nonslip surface")
       => nonslippery (vs. slippery) -- (not slippery; not likely to slip or skid)