1. Lacking moisture, especially having insufficient rainfall to support trees or woody plants: an arid climate.
2. Lacking interest or feeling; lifeless and dull: a technically perfect but arid musical performance.
[Latin āridus, from ārēre, to be dry; see as- in the Appendix of Indo-European roots.]
a·ridi·ty (ə-rĭdĭ-tē), arid·ness n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.