adj. wind·i·er, wind·i·est
1. Characterized by or abounding in wind: a windy night.
2. Open to the wind; unsheltered: a windy terrace.
3. Resembling the wind in speed, force, or variability: a windy dash homeward.
a. Lacking substance; empty: windy promises.
b. Given to or characterized by wearisome verbosity: a windy speaker.
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.