Standard Lemma guide

leakproof

adj · verb · 3 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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  • /ˈliːkpɹuf/

1

adj

Meaning 1

Resistant to leaks; hermetic, sound; as of a dry cell battery.

Definition source: English Wiktionary via Wiktextract

Examples

  • 1904, Institution of Mining and Metallurgy (Great Britain), Bulletin, Institution of Mining and Metallurgy (Great Britain) (1904), p. 22, "In mining work difficult laying conditions, limited space, and movements of the ground, all combine to make the installation of a leakproof main with ordinary joints a very difficult matter."
  • 1929, Victor Wilfred Pagé, Modern Aviation Engines: design-construction-operation and repair, [...], Norman W. Henley Publishing Company (1929), p. 1589, "Leakproof tanks shall be provided on all airplanes for service use unless the tanks are completely protected by armor."
  • 1967, Edward Locker Delmar-Morgan, Maintenance of Inboard Engines, Newnes (1967), p. 115, "There are two subdivisions in the flashlight dry cell range, the ordinary cheap one and the better-quality leakproof cell."

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To make resistant to leakage.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective satellite

Meaning 3

not subject to leaks

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From leak + -proof.