mo·ral·i·ty (mə-rălĭ-tē, mô-)
n. pl. mo·ral·i·ties
1. The quality of being in accord with standards of right or good conduct: questioned the morality of my actions.
2. A system or collection of ideas of right and wrong conduct: religious morality; Christian morality.
3. Virtuous conduct: commended his morality.
4. A rule or lesson in moral conduct: sermons noted for their moralities.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.