slithery (adj.)

• adhesive
• amylaceous
• buttery
• clammy
• clotted
• coagulated
• curdled
• doughy
• gelatinous
• gluey
• glutinous
• gooey
• greased
• greasy
• grumous
• gummy
• heavy
• jelled
• jellied
• jellylike
• lubricated
• lubricious
• mucilaginous
• oiled
• oily
• pasty
• ropy
• slick
• slimy
• slippery
• slippy
• starchy
• sticky
• stodgy
• stringy
• syrupy
• tacky
• tenacious
• thick
• thickened
• tough
• viscid
• viscous