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con·tra·in·di·cate

(kŏn′trə-ĭndĭ-kāt′)

tr.v. con·tra·in·di·cat·ed, con·tra·in·di·cat·ing, con·tra·in·di·cates

To indicate the inadvisability of (a medical treatment, for example).

con′tra·in·dica·tive (-ĭn-dĭkə-tĭv) adj.

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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