Poison synonyms | Best 94 synonyms for poison

toxin

A toxic or poisonous substance produced by the biological processes of biological organisms.

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toxic

Capable of causing injury or death, especially by chemical means; poisonous.

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bane

(Dated) Poison, especially any of several poisonous plants

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toxine

Archaic form of toxin.

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infection

The definition of infection is the process of bacteria or viruses invading the body or making someone ill or diseased.

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germ

The earliest form of an organism; a seed, bud, or spore.

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arsenic

A nonmetallic chemical element (symbol As) with an atomic number of 33.

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toxicity

(Toxicology) Degree to which a toxic substance may harm a cell or organism.

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virus

(Computer Science) A computer program that duplicates itself in a manner that is harmful to normal computer use. Most viruses work by attaching themselves to another program. The amount of damage varies; viruses may erase all data or do nothing but reproduce themselves.

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injure

To weaken or otherwise cause a loss in value to (a business, reputation, etc.)

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envenom

To fill with hate; embitter

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make ill

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noxious

Harmful to the mind or morals; corrupting:

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canker

A source of spreading corruption or decay.

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contagion

The definition of contagion is an infectious disease spread through contact, or the transmission of a disease from one person to another through contact, or the spread of a bad or harmful idea or practice.

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adulterant

A substance that adulterates.

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potent

Very powerful or effective.

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toxiferous

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botulism

(Pathology) Poisoning caused by the toxin from Clostridium botulinum, a type of anaerobic bacteria that grows in improperly-prepared food.

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virulence

A measure of how virulent a thing is

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botulin

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plague

To cause suffering or hardship for:

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pollute

To make less suitable for an activity, especially by the introduction of unwanted factors:

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toxicant

A poison; toxic agent

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cause violent illness

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empoison

To embitter; envenom

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pollution

Something that pollutes; a pollutant or a group of pollutants:

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venom

To infect with venom; to envenom; to poison.

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baneful

Exceedingly harmful; causing harm, death, ruin.

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antigen

A substance that when introduced into the body stimulates the production of an antibody. Antigens include toxins, bacteria, foreign blood cells, and the cells of transplanted organs.

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hemlock

The poison obtained from these plants.

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salmonella

Treatment usually just involves around five to seven days of rest and dilution of the bacteria through the ingestion of distilled water.

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debase

To lower in character, quality, or value; to degrade.

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debauch

To lead astray morally; corrupt; deprave

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sterilize (antonym)

(Economics) To place (gold) in safekeeping so as not to affect the supply of money or credit.

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contaminate

To pollute:

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poisoning (related)

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rat-poison (related)

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strychnine (related)

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curare (related)

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vitiate

To reduce the value or quality of; impair or spoil:

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poisonous

Capable of harming or killing by poison:

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clean (related)

Removal of dirt.

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vapor

A mixture of such a vaporized substance with air, as the explosive mixture in an automotive cylinder

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gas

(Slang) A humorous or entertaining event or person.

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infect

To cause to become diseased by bringing into contact with such an organism or matter

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undermine

(Figuratively) To weaken or work against; to hinder, sabotage. [from 15th c.]

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defile

To profane or sully (a reputation, for example).

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harm

To cause injury to another; to hurt; to cause damage to something.

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taint

To affect with something physically injurious, unpleasant, etc.; infect, poison, etc.

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malevolent

Having a harmful influence:

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irritant

A source of irritation.

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evil

In an evil, wicked, or offensive way

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antidote (antonym)

A remedy to counteract a poison

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adulterator

One who or that which adulterates, or harms the purity of, something.

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contaminant

One that contaminates.

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contamination

The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirable foreign substances.

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contaminator

A person who contaminates

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impurity

The quality or condition of being impure, especially:

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pollutant

The definition of a pollutant is waste or another contaminants that make something, such as the air or water, unclean.