• synonyms


[hyoo-mid-uh-fahy or, often, yoo-]
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verb (used with object), hu·mid·i·fied, hu·mid·i·fy·ing.
  1. to make humid.
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for humidify

drench, sprinkle, dampen, soak, saturate, wash, wet, squirt, steam, rinse, bathe, moisten, hose, dip, damp, spray, splash, douse, steep, irrigate

British Dictionary definitions for humidify


verb -fies, -fying or -fied
  1. (tr) to make (air) humid or damp
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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 humidify


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

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Online Etymology Dictionary, © 2010 Douglas Harper