in·quir·y (ĭn-kwīrē, ĭnkwīr′ē, ĭnkwə-rē, ĭng-)
n. pl. in·quir·ies
1. The act of inquiring: engaged in scientific inquiry.
2. A question; a query: There were many inquiries about the new tax rates.
3. A close examination of a matter: a Congressional inquiry into the scandal.
Synonyms: inquiry, inquisition, investigation, probe
These nouns denote a quest for knowledge, data, or truth: filed an inquiry about the lost shipment; an inquisition into their political activities; a criminal investigation; a probe into alleged police corruption.
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 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.