turbid
adjective[L. turbidus, from turbo, to disturb, that is, to stir, to turn.]
Properly, having the lees disturbed; but in a more general sense, muddy; foul with extraneous matter; thick; not clear; used of liquids of any kind; as turbid water; turbid wine. Streams running on clay generally appear to be turbid. This is often the case with the river Seine.