[hyoo-mid or, often, yoo-]


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

Synonyms for humid

Synonym study

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

Examples from the Web for humid

Contemporary Examples of humid

Historical Examples of humid

  • The day had been humid, warm and sultry, and the doors and windows were open.

    The Fortune Hunter

    Louis Joseph Vance

  • We escaped finally, damp with much laughter in a humid atmosphere.

    Lotus Buds

    Amy Carmichael

  • Spero stood at the writing-desk for a time, and his dark eyes were humid.

  • Now, her mood was such that the humid sky harmonized with it.

  • The eyes, soft, humid with compassion, looked directly out to his.

    The Dragon Painter

    Mary McNeil Fenollosa

British Dictionary definitions for humid



moist; dampa humid day
Derived Formshumidly, 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

Word Origin and History for humid

early 15c., from Old French humide or directly from Latin humidus "moist, wet," variant (probably by influence of humus "earth") of umidus, from umere "be moist," from PIE *wegw- "wet."

Online Etymology Dictionary, © 2010 Douglas Harper