Impermeable: meaning, definitions and examples

Used to describe a material or surface that does not allow liquids or gases to pass through it. Often used in scientific or technical contexts.

• The cloak was made from an impermeable fabric that kept the rain out
• The laboratory uses impermeable barriers to prevent contamination

Used to describe objects or materials that are specifically designed to prevent water from entering. Commonly used in everyday contexts, especially for clothing and gear.

• The hiker wore a waterproof jacket to stay dry during the storm
• My phone case is waterproof, so I can take pictures underwater

Used to describe a seal or construction that prevents water from entering or leaking. Often used in contexts related to containers or structures.

• The submarine has a watertight hatch to ensure no water gets in
• Make sure the jar is closed with a watertight lid to keep the contents fresh

Used when something cannot be affected or penetrated by a particular thing, often suggestive of a strong or resilient quality. Commonly used in both literal and metaphorical contexts.

• The new paint is impervious to water damage
• She remained impervious to criticism, continuing her work with confidence

When referring to materials or substances that do not allow liquids or gases to pass through.

• The new raincoat is made of an impermeable fabric that keeps you dry.
• Scientists are researching impermeable materials for undersea cables.

When describing a person, material, or organism that is able to withstand certain effects or influences; often in relation to illnesses, chemicals, or changes.

• These plants are resistant to drought and can survive harsh climates.
• He has become resistant to the antibiotic after years of use.
• This fabric is resistant to stains.

When describing a person or organism that is protected from a disease or effects of something harmful.

• After the vaccination, she is immune to the flu.
• He is immune to their criticism.

When talking about someone or something that is impossible to harm or damage, often used metaphorically.

• The superhero is invulnerable to all forms of attack.
• She seems invulnerable to failure, always bouncing back quickly.