1. Marked by or resulting from carelessness; negligent: an inadvertent error; an inadvertent omission.
2. Not deliberate or considered; unintentional: an inadvertent remark; inadvertent humor. See Synonyms at careless.
3. Not intending to be so; unwitting: "Physicians have already begun to take on the role of gatekeepers, inadvertent agents of selection ... deciding on the relative value of different human lives" (Robert Pollack).
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.