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Definition of toxicity

toxicity

/tɑːkˈsɪs.ə.ti/
tox · ic · i · ty
Adverb:toxically
•
Plural:toxicities
•
Adjective:toxic
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toxicity Lexical Profile

toxicity Game Scores & Validity

• noun

1

The quality, state, or relative degree of being poisonous or harmful to living organisms.

Example

"Researchers tested the water samples to measure the toxicity of the industrial runoff."

2

The quality of being pervasive, destructive, or deeply unpleasant in an interpersonal relationship, workplace, or social environment.

Example

"She decided to leave the company because the toxicity of the office culture was affecting her mental health."

Synonyms
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Antonyms
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• Rhymes for toxicity

• Nearby Words

toxaway falls
toxic
toxically
toxicity
toxicology
toxify
toxin

Word Origin & Etymology

Formed in the late 19th century from 'toxic' plus the noun-forming suffix '-ity'. 'Toxic' traces back via Medieval Latin 'toxicus' (poisoned) to Ancient Greek 'toxikon pharmakon', literally meaning 'poison for smearing on arrows', from 'toxon' (bow).

Cite this Entry

Wordmom. (2026). Definition of Toxicity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/toxicity
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