1. Prone to or participating in a rebellion: rebellious army officers. See Synonyms at insubordinate.
2. Of, relating to, or characteristic of a rebel or rebellion: Rebellious activity has diminished in the province.
3. Characterized by or expressing resistance to or defiance of authority or convention: a rebellious teenager; a rebellious artistic movement.
4. Resistant to treatment or adjustment: "battled with characteristically rebellious plumbing" (Isabella Tree).
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.