v. con·sumed, con·sum·ing, con·sumes
1. To take in as food; eat or drink up. See Synonyms at eat.
a. To expend; use up: engines that consume less fuel; a project that consumed most of my time and energy.
b. To purchase (goods or services) for direct use or ownership.
3. To waste; squander.
4. To destroy totally; ravage: flames that consumed the house; a body consumed by cancer.
5. To absorb; engross: consumed with jealousy. See Synonyms at engross.
To purchase economic goods and services: a society that consumes as fast as it produces.
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.