1. Having sediment or foreign particles stirred up or suspended; muddy: turbid water.
2. Heavy, dark, or dense, as smoke or fog.
3. In a state of turmoil; muddled: turbid feelings.
[Latin turbidus, disordered, from turba, turmoil, probably from Greek turbē.]
turbid·ness, tur·bidi·ty n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.