1. Exceeding reasonable limits; immoderate. See Synonyms at excessive.
2. Archaic Not regulated; disorderly.
[Middle English inordinat, from Latin inōrdinātus, disordered : in-, not; see IN-1 + ōrdinātus, past participle of ōrdināre, to set in order (from ōrdō, ōrdin-, order; see ar- in the Appendix of Indo-European roots).]
in·ordi·na·cy, in·ordi·nate·ness n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendicies
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.