1. Not straightforward; shifty: a devious character.
2. Departing from the correct or accepted way; erring: achieved success by devious means.
3. Deviating from the straight or direct course; roundabout: a devious route.
4. Away from a main road or course; distant or removed.
[From Latin dēvius, out-of-the-way : dē-, de- + via, road; see wegh- in the Appendix of Indo-European roots.]
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.