from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking moisture, especially having insufficient rainfall to support trees or woody plants: an arid climate.
- adj. Lacking interest or feeling; lifeless and dull: a technically perfect but arid musical performance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Very dry.
- adj. Describing a very dry climate. Typically defined as less than 25 cm or 10 inches of rainfall annually.
- adj. Devoid of value.
from the GNU version of the Collaborative International Dictionary of English
- adj. Exhausted of moisture; parched with heat; dry; barren.
from The Century Dictionary and Cyclopedia
- Dry; without moisture; parched with heat; hence, figuratively, uninteresting, lifeless, dull, pithless, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. lacking sufficient water or rainfall
- adj. lacking vitality or spirit; lifeless
Latin āridus, from ārēre, to be dry; see as- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ultimately from the Latin term āridus ("dry, arid, parched"), confer its synonymous contracted form ardus. Originally from the verb āreo ("I am dry, I am parched"), akin to ārdeō ("I'm on fire, I burn"). (Wiktionary)