Standard Lemma guide

moldiness

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The state or degree of being moldy.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • The moldiness of the bread meant that it was unpalatable, if not downright inedible.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the quality of smelling or tasting old or stale or mouldy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mustiness, must

Antonyms: none provided

Broader terms: staleness

History

Etymology

From moldy + -ness. Compare Middle English mowldnes (“moldiness”).