v. o·ver·flowed, o·ver·flow·ing, o·ver·flows
1. To flow or run over the top, brim, or banks: The river overflowed and flooded surrounding neighborhoods.
2. To be filled beyond capacity, as a container or waterway.
3. To have a boundless supply; be superabundant. See Synonyms at teem1.
1. To flow over the top, brim, or banks of.
2. To spread or cover over; flood.
3. To cause to fill beyond capacity.
1. The act of overflowing.
2. Something that flows over; an excess.
3. An outlet or vent through which excess liquid may escape.
4. Computers A condition in which a calculation produces a unit of data too large to be stored in the location allotted to it.
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.