Waterproofness

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The property of being waterproof. uncountable

    "In the fabric section, a textile twisting and tearing machine and a "Lissajou curve" [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness."

  2. 2
    The condition of being so tightly made that water cannot enter or escape. wordnet

Synonyms

All synonyms
watertightness

Example

More examples

"In the fabric section, a textile twisting and tearing machine and a "Lissajou curve" [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness."

Etymology

From waterproof + -ness.

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