fog·gy (fôgē, fŏgē)
adj. fog·gi·er, fog·gi·est
a. Full of or surrounded by fog.
b. Resembling or suggestive of fog.
2. Clouded or blurred by or as if by fog; vague: had only a foggy memory of what happened; hasn't the foggiest idea how to get home.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.