Waterproof
adj.resilient, capableprofessional
What it means
Made to prevent water from passing through.
Reach for it when describing protection intended to withstand water rather than a light splash
A waterproof case kept the field notes dry during the river survey.
Choose between these
6- everyday
rainproof
when falling rain is the particular exposure
not when Rainproof does not promise protection underwater or under pressure.
- everyday
when protection from several outdoor conditions is intended
not when Weatherproof includes sun and wind but may not survive immersion.
- professional
sealed
when openings have been closed against entry
not when A sealed object can still be made from material that eventually absorbs water.
- professional
when limited exposure or splashes are the tested boundary
not when Water-resistant is a weaker claim and should not replace waterproof for submersion.
- professional
when a closed container or structure admits no water
not when Watertight suits joints and enclosures better than clothing or surface material.
- formal
impermeable
when no liquid or gas can pass through a material
not when Impermeable is a broad technical property and says nothing about seams or construction.
Said against
3- permeable
- absorbent
- leaky
It naturally appears in
3- waterproof jacket
The waterproof jacket stayed breathable during the steep climb.
- fully waterproof
Only the fully waterproof compartment should carry the radio across the ford.
- waterproof membrane
A waterproof membrane protected the roof garden from the rooms below.
Where this comes from
- Wiktionary, English adjective, sense 1 opens in a new tab · retrieved 2026-07-26
The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.