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mouldy

American  
[mohl-dee] / ˈmoʊl di /

noun

British Military Slang.
mouldies plural
  1. a torpedo.


mouldy British  
/ ˈməʊldɪ /

adjective

  1. covered with mould

  2. stale or musty, esp from age or lack of use

  3. slang boring; dull

"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

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of mouldy

1915–20; probably identical with Scottish and north dial. moudie a mole

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

NHS Grampian said all the mouldy materials have now been removed and it was confident patient safety would not be compromised.

From BBC Mar. 19, 2026

Homelessness charity Shelter agreed with the government that "no child should be growing up in a B&B or mouldy bedsit".

From BBC Dec. 4, 2025

Senior coroner Mary Hassell acknowledged their home was damp and mouldy, but concluded that Akram actually died of Strep B, pneumonia and Vitamin D deficiency.

From BBC Aug. 18, 2025

The BBC joined him on his latest inspection at a new-build house in Lincolnshire, where he immediately found a mouldy sandwich in the loft.

From BBC Apr. 21, 2025

Along with that there sometimes go a few turnip peelings, mouldy bread crusts and all kinds of muck.

From "All Quiet on the Western Front: A Novel" by Erich Maria Remarque

I saw both mouldies start to slide out, but only one struck the water and began to run.

From Sea-Hounds by Freeman, Lewis R.

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