1. Made of or containing lead.
a. Heavy and inert.
b. Listless; sluggish.
3. Lacking liveliness or sparkle; dull: a leaden conversation.
4. Downcast; depressed: leaden spirits.
5. Dull, dark gray in color: drizzle from a leaden sky.
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.