dude (dd, dyd)
1. Informal An Easterner or city person who vacations on a ranch in the West.
2. Informal A man who is very fancy or sharp in dress and demeanor.
a. A man; a fellow.
b. A person of either sex.
tr.v. dud·ed, dud·ing, dudes
To dress elaborately or flamboyantly: got all duded up for the show.
Used to express approval, satisfaction, or congratulations.
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.