The meaning of Impermeable

adjective

Not allowing air to escape or pass through.

Usage examples:

An airtight box

adjective

Not open.

Usage examples:

Rooms with closed doors lined the hallway

verb

Move so as to cover an opening.

Usage examples:

She jumped on to the train just as the doors were closing

adjective

Temporarily not open for business

Usage examples:

The library is closed on tuesday.

adjective

Intended to stop water from getting through something and causing damage, for example in the walls of a house

Usage examples:

On top of concrete, you will need a damp-proof membrane., i don't think the damp-proof treatment th…

adjective

Impossible to pass through or enter.

Usage examples:

A dark, impenetrable forest

adjective

Impossible to enter or go through

Usage examples:

An impenetrable jungle, too many scholarly books are written in an impenetrable jargon.

adjective

That cannot be penetrated or passed through; impermeable, impervious. also figurative: not affected or influenced by something. also with to, † by.

adjective

(of a fortified position) unable to be captured or broken into.

Usage examples:

A massive and impregnable fortress

adjective

So strongly made that it cannot be broken into or taken by force

Usage examples:

An impregnable fortress

adjective

Never to be broken, infringed, or dishonoured.

Usage examples:

An inviolable rule of chastity

adjective

Offering resistance to something or someone.

Usage examples:

Some of the old churches are resistant to change

adjective

Not easily changed or damaged, or not accepting of (something)

Usage examples:

Fire resistant, why are you so resistant to change?

verb

Fasten or close securely.

Usage examples:

He folded it, sealed the envelope, and walked to the postbox

noun

A device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them.

Usage examples:

Attach a draught seal to the door itself

noun

A piece of wax, lead, or other material with an individual design stamped into it, attached to a document as a guarantee of authenticity.

Usage examples:

He replied, handing her a letter with a navy blue wax seal.

adjective

Fixed, fastened, or closed firmly; hard to move, undo, or open.

Usage examples:

She twisted her handkerchief into a tight knot

adverb

Very firmly, closely, or tensely.

Usage examples:

He went downstairs, holding tight to the bannisters

adjective

Able to keep rain from being absorbed

adjective

Able to keep rain from being absorbed

adjective

Impervious to water.

Usage examples:

A waterproof hat

noun

A garment, especially a coat, that keeps out water.

Usage examples:

She put on boots and a waterproof

verb

Make impervious to water.

Usage examples:

A plastic case waterproofs this disposable camera

adjective

Closely sealed, fastened, or fitted so that no water enters or passes through.

Usage examples:

A watertight compartment

adjective

Having no openings to allow the passage of water

Usage examples:

They’re doing some repairs on the church to make the roof watertight.