impurity

An impurity is something that ruins the uncontaminated nature of something. If someone accuses you of impurity, they think you or your nature has been spoiled in some way by sin.

When water is pure, the only thing in that water is water. Add a contaminant, say salt or bleach, and you are introducing an impurity, something that turns the water impure. When used with people, the word has a religious overtone. Someone who is pure is unspoiled by sin. Think Snow White. If you convinced Snow White to rob a bank with you, you'd be spoiling her good nature with your wretched impurity.

Definitions of impurity
1

n the condition of being impure

Synonyms:
impureness
Antonyms:
pureness, purity
being undiluted or unmixed with extraneous material
Types:
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adulteration, debasement
being mixed with extraneous material; the product of adulterating
admixture, alloy
the state of impairing the quality or reducing the value of something
contamination, taint
the state of being contaminated
dirtiness
the state of containing dirty impurities
putridity
the state of being putrid
pollution
undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
dust contamination
state of being contaminated with dust
biodegradable pollution
pollution that is rendered harmless by natural processes and so causes no permanent harm
nonbiodegradable pollution
pollution that accumulates in the environment and may appear in the food chain
air pollution
pollution of the atmosphere
noise pollution, sound pollution
annoying and potentially harmful environmental noise
thermal pollution
harm to lakes and rivers resulting from the release of excessive waste heat into them
water pollution
pollution of the water in rivers and lakes
Type of:
condition, status
a state at a particular time

n worthless or dangerous material that should be removed

“there were impurities in the water”
Synonyms:
dross
Type of:
waste, waste material, waste matter, waste product
any materials unused and rejected as worthless or unwanted

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