плъзгав означава в английски

glib [glibber, glibbest]▼(smooth or slippery)
adjective
[UK: ɡlɪb] [US: ˈɡlɪb]

lubricious▼(smooth and glassy; slippery)
adjective
[UK: luː.ˈbrɪ.ʃəs] [US: luː.ˈbrɪ.ʃəs]

slick [slicker, slickest]▼(slippery due to a covering of liquid)
adjective
[UK: slɪk] [US: sˈlɪk]

slippery▼(of a surface)
adjective
[UK: ˈslɪ.pə.ri] [US: sˈlɪ.pə.ri]