Turbid (adjective)

1. Having a cloudy or opaque appearance due to the presence of suspended matter.
2. Muddy or having sediment stirred up.
3. Confused or muddled in thought or action.

Origin:

From latin turbidus ("turbid, confused, agitated"), from turba ("crowd, disturbance").

Examples:

1. The river was turbid due to heavy rain and the sediment was stirred up.
2. The water in the glass was turbid and unappealing to drink.
3. The turbid sky made it difficult to see the stars.
4. His mind was turbid and he couldn't think clearly.
5. The turbid political situation made it hard to predict what would happen next.