# contaminate

**Pronunciation:** /kənˈtæmɪneɪt/ · kun-TAM-uh-nayt

**CEFR level:** B2

**Part of speech:** verb

## Meaning 1: Environment

To make something impure, polluted, or toxic by adding a harmful substance.

## Examples

- The oil spill threatened to contaminate the local water supply.
- It is important not to contaminate the food with bacteria during preparation.
- Scientists are concerned that industrial waste is contaminating the river.

## Meaning 2: Figurative

To corrupt or dishonor someone or something, especially morally.

## Examples

- His integrity was contaminated by the scandal.
- The constant exposure to violence can contaminate a child's mind.
- Do not let their negativity contaminate your positive outlook.

## Synonyms

- spoil — To make something unusable or unpleasant, often by decay or damage.
- pollute — To introduce harmful substances into the environment.
- taint — To affect something negatively, often subtly, with a harmful quality.
- defile — To make something impure or less beautiful, often in a disrespectful way.

## Antonyms

- purify — To remove impurities or unwanted elements.
- cleanse — To make something thoroughly clean, often in a symbolic or spiritual sense.

## Common patterns

- contaminate with — To make something impure by adding a substance. — The water was contaminated with bacteria.
- contaminate the environment — To pollute the natural surroundings. — The chemical spill will contaminate the environment for years.
- contaminate food — To make food unsafe to eat by adding harmful substances. — Wash your hands thoroughly to avoid contaminating food.

## Collocations

- contaminate with — The soil was contaminated with heavy metals.
- contaminate the environment — The factory's emissions continue to contaminate the environment.
- contaminate food — Improper handling can easily contaminate food.

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