Mouldy

//ˈmoʊldi// adj, slang

adj, slang ·Very common ·Middle school level

Definitions

Adjective
  1. 1
    Covered with mould.
  2. 2
    Showing signs of neglect; disused.
  3. 3
    Worthless; lousy; rotten. UK, colloquial

    "'Go cuddle up to your mouldy old papers,' she shouted at him. 'See how warm they'll keep you.' She slammed the door and made to walk off."

  4. 4
    Gray-headed, whether from age or hair powder. derogatory, obsolete, slang

    "Let him be great, as e'er he will, / He's rotten at the heart's core still; / Yet counsel from his mouldy pate, / Supports the trembling chair of state, / And scatters with unsparing hand, / A thousand miseries o'er the land; […]"

Adjective
  1. 1
    covered with or smelling of mold wordnet

Synonyms

All synonyms
stalemustyaccommodateaccommodate withaccordacres

Example

More examples

"Cheese goes mouldy if you don't put it in the fridge."

Etymology

From mould + -y.

More for "mouldy"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.