1. Tending to depress or lower.
2. Depressing; gloomy: "Americans entertained the depressive thought that they had ceased to be themselves" (Lance Morrow).
3. Of or relating to depression as a mood disorder.
A person who is affected with depression as a mood disorder.
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.