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dog·mat·ic (dôg-mătĭk, dŏg-)
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adj.
1. Relating to, characteristic of, or resulting from dogma.
2.
a. Asserting or insisting upon ideas or principles, especially when unproven or unexamined, in an imperious or arrogant manner: "People in recovery groups can be dogmatic, asserting that the group's way is 'the way' or bashing other approaches" (Anne M. Fletcher).
b. Characterized by such assertion, often with an unconsidered rejection of criticism: a dogmatic adherence to a single educational model.

[Late Latin dogmaticus, from Greek dogmatikos, from dogma, dogmat-, belief; see DOGMA.]

dog·mati·cal·ly adv.

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:

    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.