1. Audaciously rude or disrespectful; impertinent or impudent.
2. Archaic Presumptuous and insulting in manner or speech; arrogant.
[Middle English, from Latin īnsolēns, īnsolent-, immoderate, arrogant : in-, not; see IN-1 + solēns, present participle of solēre, to be accustomed.]
inso·lence (-ləns) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.