[ hyoo-mid or, often, yoo- ]
/ ˈhyu mɪd or, often, ˈyu- /


containing a high amount of water or water vapor; noticeably moist: humid air; a humid climate.

Origin of humid

1375–1425; late Middle English < Latin (h)ūmidus, equivalent to (h)ūm(ēre) to be moist + -idus -id4

Related forms

hu·mid·ly, adverbhu·mid·ness, nounsub·hu·mid, adjectiveun·hu·mid, adjective

Synonym study

See damp. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for humid

British Dictionary definitions for humid


/ (ˈhjuːmɪd) /


moist; dampa humid day

Derived Forms

humidly, adverbhumidness, noun

Word Origin for humid

C16: from Latin ūmidus, from ūmēre to be wet; see humectant, humour
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