tr.v. ex·clud·ed, ex·clud·ing, ex·cludes
1. To prevent from entering; keep out; bar: a jar sealed to exclude outside air; an immigration policy that excludes undesirables.
2. To prevent from being included, considered, or accepted; reject: The court excluded the improperly obtained evidence.
3. To put out; expel.
[Middle English excluden, from Latin exclūdere : ex-, ex- + claudere, to shut.]
ex·cluda·ble, ex·cludi·ble adj. & n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.