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toxic

adjective

Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

Quick reference

Word Facts

Word length
5
Starts with
T
Ends with
C
Contains
OX
Scrabble score
14
Database source
OEWN 2025 Core

How it sounds

Pronunciation

/ˈtɒk.sɪk/ /ˈtɑk.sɪk/

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Audio Pronunciation

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Meaning

Definitions

adjective

  1. Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

    “Tobacco smoke contains many toxic substances.”

  2. Appearing grossly unwell; characterised by serious, potentially life-threatening compromise in the respiratory, circulatory or other body systems.

    “The child appeared toxic on arrival at the hospital.”

  3. Severely negative or harmful.

    “a toxic environment that promoted bullying”

  4. (of a person) Hateful or strongly antipathetic.

    “It is not good to be around toxic people.”

In context

Example Sentences

Tobacco smoke contains many toxic substances.
The child appeared toxic on arrival at the hospital.
a toxic environment that promoted bullying
It is not good to be around toxic people.

Similar words

Synonyms

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