noun, noun which may take the genitive case particle 'no'
non-slip device; anti-skid material
Refers to physical items or surfaces that prevent slipping, such as mats, treads, coatings, or grips.
階段に滑り止めのテープを貼った。
I put anti-slip tape on the stairs.
この手袋には滑り止めが付いている。
These gloves have a non-slip grip.
noun
back-up option; safety school
Commonly used for a less competitive university or job choice kept as a fallback; often appears in entrance-exam contexts.
第一志望がだめだったときのために、滑り止めの大学を受けた。
I applied to a safety school in case my first choice didn't work out.
滑り止めの会社からも内定をもらった。
I also got a job offer from a back-up company.
Compound of 滑り (slipping) + 止め (stopping). The literal meaning 'stop slipping' naturally extends to both physical anti-slip items and figurative fallback options.