Turbid, a.
Etymology: [L. turbidus, from turba tumult, disturbance, akin to turbare to disturb. See Trouble, and cf. Disturb, Perturb.]
1. Having the lees or sediment disturbed; roiled; muddy; thick; not clear; -- used of liquids of any kind; as, turbid water; turbid wine. On that strong, turbid water, a small boat, Guided by one weak hand, was seen to float. Whittier.
2. Disturbed; confused; disordered. " Such turbid intervals that use to attend close prisoners." Howell.
Shades of meaning
Fernald has no entry of its own for turbid; he lists it under obscure.
He lists it without comment; the entries above explain its neighbors.