Standard Lemma guide

leakiness

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.

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Pronunciation

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1

noun

Meaning 1

The property of being leaky.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the condition of permitting leaks or leakage

Definition source: Princeton WordNet 3.0

Examples

  • the leakiness of the roof
  • the heart valve's leakiness
  • the leakiness of the boat made it dangerous to use

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: condition, status

History

Etymology

Etymology tree English leaky Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English leakiness From leaky + -ness.