• synonyms


[hyoo-mid or, often, yoo-]
  1. containing a high amount of water or water vapor; noticeably moist: humid air; a humid climate.
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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


Synonym study

See damp.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sub-humid

Historical Examples

  • The frogs living on the Pacific lowlands became adapted to sub-humid conditions and developed into S. baudini.

    Neotropical Hylid Frogs, Genus Smilisca

    William E. Duellman

  • It adapted to the sub-humid environment by living along streams and evolving stream-adapted tadpoles.

  • Only blinded enthusiasts believed that the climate of the sub-humid plains was changing.

    The New Nation

    Frederic L. Paxson

British Dictionary definitions for sub-humid


  1. moist; dampa humid day
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Derived Formshumidly, adverbhumidness, noun

Word Origin

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 sub-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."

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Online Etymology Dictionary, © 2010 Douglas Harper