tr.v. in·ter·nal·ized, in·ter·nal·iz·ing, in·ter·nal·iz·es
1. To make internal or cause to become internal.
2. To take in and make an integral part of one's attitudes or beliefs: had internalized the cultural values of the Poles after a year of living in Warsaw.
3. To direct (one's bad feelings or conflicts) inwards, often as a manifestation of depression, anxiety, and social withdrawal.
in·ter′nal·i·zation (-lĭ-zāshən) n.
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.