con·sti·tu·tion·al (kŏn′stĭ-tshə-nəl, -ty-)
1. Of or relating to a constitution: a constitutional amendment.
2. Consistent with, sanctioned by, or permissible according to a constitution: a law that was declared constitutional by the court; the constitutional right of free speech.
3. Established by or operating under a constitution: a constitutional government.
4. Of or proceeding from the basic structure or nature of a person or thing; inherent: a constitutional inability to tell the truth.
5. Of or relating to one's physical makeup.
A walk taken regularly for one's health.
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.