Not submissive to authority: has a history of insubordinate behavior.
Synonyms: insubordinate, rebellious, mutinous, factious, seditious
These adjectives mean engaged in or promoting the defiance of established authority. Insubordinate implies failure or refusal to submit to the authority of a superior: was fired for being insubordinate.
Rebellious implies open defiance of authority or resistance to control: rebellious students demonstrating on campus.
Mutinous pertains to revolt against constituted authority, especially that of a naval or military command: mutinous sailors defying the captain.
Factious implies unruly dissension within a group or organization: "The army has been embroiled in a standoff battle against a [hornets'] nest of factious groups" (Time).
Seditious applies mainly to the treasonous stirring up of resistance against a government: rebels distributing seditious pamphlets.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.