The meaning of Unclean

verb

Render (something) poorer in quality by adding another substance.

Usage examples:

The brewer is said to adulterate his beer

adjective

Not pure or genuine.

Usage examples:

Adulterate remedies

adjective

Not pure or genuine.

Usage examples:

Adulterate remedies

adjective

Blackened with ingrained dirt.

Usage examples:

They stand in front of begrimed windows

verb

Blacken with ingrained dirt.

Usage examples:

The smoke of industry begrimes buildings

adjective

Having been made impure by exposure to or addition of a poisonous or polluting substance.

Usage examples:

Contaminated blood products

verb

Make (something) impure by exposure to or addition of a poisonous or polluting substance.

Usage examples:

The site was found to be contaminated by radioactivity

adjective

Poisonous or not pure

Usage examples:

The infection was probably caused by swimming in contaminated water/water contaminated with sewage.…

adjective

Covered or marked with an unclean substance.

Usage examples:

A tray of dirty cups and saucers

adverb

Used for emphasis.

Usage examples:

A dirty great slab of stone

verb

Make dirty.

Usage examples:

She didn't like him dirtying her nice clean towels

adjective

Covered with, full of, or resembling dust.

Usage examples:

Dusty old records

adjective

Covered in dust

Usage examples:

Piles of dusty books lay on the floor., we drove along the dusty road., dusty pink

adjective

Disgustingly dirty.

Usage examples:

A filthy hospital with no sanitation

adverb

To an extreme extent.

Usage examples:

He has become filthy rich

adjective

Extremely dirty

Usage examples:

Trucks poured out clouds of filthy, black smoke., there were beggars in the streets and filth every…

adjective

Offensive to the senses, especially through having a disgusting smell or taste or being dirty.

Usage examples:

A foul odour

noun

(in sport) an unfair or invalid stroke or piece of play, especially one involving interference with an opponent.

Usage examples:

The midfielder was booked for a foul on ford

adverb

Contrary to the rules; unfairly.

Usage examples:

That's the real problem: even guys who want to play fair are under pressure from cheaters to play f…

verb

Make foul or dirty; pollute.

Usage examples:

Factories which fouled the atmosphere

adjective

Offensive to the senses, especially through having a disgusting smell or taste or being dirty.

Usage examples:

A foul odour

adjective

Wicked or immoral.

Usage examples:

Murder most foul

adjective

Covered with or characterized by grime.

Usage examples:

The grimy industrial city

adjective

Dirty

Usage examples:

The child's face was grimy and streaked with tears.

adjective

Covered with dirt; grimy.

Usage examples:

The grubby face of a young boy

adjective

Dirty or messy

Usage examples:

Grubby old clothes

adjective

Mixed with foreign matter; adulterated.

Usage examples:

An impure form of heroin

adjective

Mixed with other substances and therefore harmful or lower in quality

Usage examples:

Impure drinking water, impurities are removed from the blood by the kidneys.

adjective

(of a person, organism, etc.) affected with a disease-causing organism.

Usage examples:

Rabies results from a bite by an infected dog

verb

Affect (a person, organism, etc.) with a disease-causing organism.

Usage examples:

Pregnant women who may have been infected with the virus

adjective

So dirty or germ-ridden as to be a danger to health.

Usage examples:

Insanitary conditions

adjective

→  unsanitary

adjective

Covered with dirt or filth.

Usage examples:

He took off his mucky boots

adjective

Dirty

Usage examples:

Get your mucky feet off that chair!, don't walk all over my clean floor in your mucky boots., a muc…

adjective

Covered in or full of mud.

Usage examples:

They changed their muddy boots

verb

Cover or fill (something) with mud.

Usage examples:

The linoleum flooring was muddied

adjective

Covered by or containing mud (= wet, sticky earth)

Usage examples:

Don't bring those muddy boots inside!, muddy water, the room has been painted in muddy browns and g…

adjective

Contaminated with harmful or poisonous substances.

Usage examples:

One of europe's most polluted rivers

verb

Contaminate (water, the air, etc.) with harmful or poisonous substances.

Usage examples:

The explosion polluted the town with dioxin

adjective

Affected by pollution

Usage examples:

The river in caracas is heavily polluted., new particles are formed in the polluted air of major ci…

adjective

Scummy water or another liquid is covered with a layer of an unpleasant substance

Usage examples:

A scummy pool, a scummy part of town, a scummy way to treat someone

verb

Coat or mark (something) messily or carelessly with a greasy or sticky substance.

Usage examples:

His face was smeared with dirt

noun

A mark or streak of a greasy or sticky substance.

Usage examples:

There was an oil smear on his jacket

noun

A sample of tissue or other material taken from part of the body, spread thinly on a microscope slide for examination, typically for medical diagnosis.

Usage examples:

The smears were stained for cryptosporidium

adjective

Dirty; stained.

Usage examples:

A soiled t-shirt

verb

Make dirty.

Usage examples:

He might soil his expensive suit

verb

Feed (cattle) on fresh-cut green fodder (originally for the purpose of purging them).

adjective

Covered with or coloured like soot.

Usage examples:

His olive skin and sooty eyes

verb

Mark or discolour with something that is not easily removed.

Usage examples:

Her clothing was stained with blood

adjective

Marked or discoloured with something that is not easily removed.

Usage examples:

A stained beer mat

adjective

(of a material or object) coloured by application of a penetrative dye or chemical.

Usage examples:

Stained timber floorboards

verb

Contaminate or pollute (something).

Usage examples:

The air was tainted by fumes from the cars

noun

A trace of a bad or undesirable substance or quality.

Usage examples:

The lingering taint of creosote

noun

The perineum.

verb

Lose or cause to lose lustre, especially as a result of exposure to air or moisture.

Usage examples:

Silver tarnishes too easily

noun

Dullness of colour; loss of brightness.

Usage examples:

Silver can be oxidized to give the effect of tarnish, and this coloration was popular in europe and…

adjective

If metal is tarnished it has become less bright or a different colour

Usage examples:

The photographs were in tarnished silver frames., by 2015, the company was starting to look a littl…

contraction

One.

Usage examples:

A good 'un

prefix

(added to adjectives, participles, and their derivatives) denoting the absence of a quality or state; not.

Usage examples:

Unabashed

prefix

(added to verbs) denoting the reversal or cancellation of an action or state.

Usage examples:

Untie

adjective

Not having been washed.

Usage examples:

Unwashed dishes in the sink

adjective

Not washed

Usage examples:

His football shirt was left unwashed in his locker for weeks., dangerous bacteria can be spread by …