The Open Dictionary

slippery

adjective

UK/ˈslɪp.ᵊr.i/
US/ˈslɪp.ɚ.i/

Definitions of slippery adjective

  1. C1

    Describing a surface or object that is so smooth or wet that it is difficult to hold onto or to walk on without sliding.

    • The bar of soap was so slippery that it slid out of my hand.

    • The newly waxed tile floor was extremely slippery.

    • The icy sidewalk was very slippery.

  2. informal

    Describing a person who is dishonest and not to be trusted; evasive and unreliable.

    • The politician was considered slippery due to his tendency to dodge questions.

    • Be careful; he's a slippery character and may try to deceive you.

    • The salesman was too slippery; don't trust anything he says.