1. Vapor, gas, or smoke, especially if irritating, harmful, or strong.
2. A strong or acrid odor.
3. A state of resentment or vexation.
v. fumed, fum·ing, fumes
1. To subject to or treat with fumes.
2. To give off in or as if in fumes.
1. To emit fumes.
2. To rise in fumes.
3. To feel or show resentment or vexation.
[Middle English, from Old French fum, from Latin fūmus.]
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.