• synonyms


noun, plural mould·ies. British Military Slang.
  1. a torpedo.
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Origin of mouldy

1915–20; probably identical with Scottish and north dial. moudie a mole
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mouldy

Historical Examples

  • It seemed as if the sun-rays could never reach that paving, mouldy with damp.

    The Three Cities Trilogy, Complete

    Emile Zola

  • Then it took them to another lake, into which they cast a mouldy log.

    Russian Fairy Tales

    W. R. S. Ralston

  • The rooms were low and cramped, and had a mouldy, disused smell in them.

  • It must have stood there a week, and was both stale and mouldy.


    Talbot Baines Reed

  • When we got it, it had been wet and was so mouldy that we had to chop it out with an ax.

British Dictionary definitions for mouldy


US moldy

adjective mouldier or mouldiest or US moldier or moldiest
  1. covered with mould
  2. stale or musty, esp from age or lack of use
  3. slang boring; dull
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Derived Formsmouldiness or US moldiness, 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 mouldy


see moldy.

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Online Etymology Dictionary, © 2010 Douglas Harper