The Oxford Thesaurus An A-Z Dictionary of Synonyms - slimy adj.

1) oozy, slippery, mucky, squashy, squishy, viscous, sticky, gluey, mucilaginous, uliginous, glutinous, mucous, clammy, mushy, US squushy or squooshy, Colloq gooey, gunky, US gloppy: He had cleverly buried the bag of diamonds in a mass of slimy waste where no one would want to look. 2) slippery, unctuous, obsequious, sycophantic, toadying, servile, creeping, grovelling, abject, Colloq smarmy: I don't mind his trying to sell me insurance, but why does he have to be so slimy about it?