[ doo, dyoo ]
See synonyms for dew on
  1. moisture condensed from the atmosphere, especially at night, and deposited in the form of small drops upon any cool surface.

  2. something like or compared to such drops of moisture, as in purity, delicacy, or refreshing quality.

  1. moisture in small drops on a surface, as tears or perspiration.

  2. Informal.

verb (used with object)
  1. to wet with or as with dew.

Origin of dew

before 900; Middle English; Old English dēaw; cognate with German Tau,Old Norse dǫgg

Other words from dew

  • dewless, adjective
  • un·dewed, adjective

Words that may be confused with dew

Words Nearby dew

Other definitions for DEW (2 of 2)

[ doo, dyoo ]

  1. distant early warning. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use dew in a sentence

British Dictionary definitions for dew


/ (djuː) /

    • drops of water condensed on a cool surface, esp at night, from vapour in the air

    • (in combination): dewdrop

  1. something like or suggestive of this, esp in freshness: the dew of youth

  1. small drops of moisture, such as tears

  1. (tr) poetic to moisten with or as with dew

Origin of dew

Old English dēaw; related to Old High German tou dew, Old Norse dögg

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

Scientific definitions for dew


[ dōō ]

  1. Water droplets condensed from the air, usually at night, onto cool surfaces near the ground. Dew forms when the temperature of the surfaces falls below the dew point of the surrounding air, usually due to radiational cooling. See also frost.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.