[hyoo-mid-uh-fahy or, often, yoo-]

verb (used with object), hu·mid·i·fied, hu·mid·i·fy·ing.

to make humid.

Origin of humidify

First recorded in 1880–85; humid + -ify
Related formshu·mid·i·fi·ca·tion, nounun·hu·mid·i·fied, adjectiveun·hu·mid·i·fy·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for humidified

Historical Examples of humidified

British Dictionary definitions for humidified


verb -fies, -fying or -fied

(tr) to make (air) humid or damp
Derived Formshumidification, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for humidified



1884; see humid + -fy. Related: Humidified; humidifying. Earlier was humify (1650s).

Online Etymology Dictionary, © 2010 Douglas Harper