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ex·clude

(ĭk-skld)

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·clud′a·bili·ty n.

ex·cluda·ble, ex·cludi·ble adj. & n.

ex·cluder n.

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:

Indo-European Roots

Semitic Roots

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.

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