tr.v. ex·ter·mi·nat·ed, ex·ter·mi·nat·ing, ex·ter·mi·nates
To get rid of by destroying completely: exterminated the termites that were weakening the wall. See Synonyms at annihilate.
[Latin extermināre, extermināt-, to drive out : ex-, ex- + termināre, to mark boundaries (from terminus, boundary marker).]
ex·termi·na′tive, ex·termi·na·to′ry (-nə-tôr′ē) adj.
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.