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verb B2 Upper-Intermediate

contaminate

kuhn-TA-mih-nayt

Contaminate (verb) means to make something impure, dirty, or unsafe by introducing a harmful substance. Example: “A chemical spill contaminated the local water supply.”

verb
1
To make something impure, dirty, or unsafe by introducing a harmful substance.
"A chemical spill contaminated the local water supply."
"Even a small crack can let bacteria contaminate the food inside."

How to use contaminate

Learner’s notes

In plain EnglishTo make something dirty, unsafe, or spoiled by introducing something harmful into it.

Common pairings
contaminate the soil contaminate a sample contaminated water

Word forms

more contaminate comparative, contaminated past tense, contaminates singular, most contaminate superlative

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Test yourself on “contaminate” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

A chemical spill _____ the local water supply.

Etymology

From Latin contaminare, "to corrupt or defile by mixing," from contaminatus, the past participle of the same verb.

Origin: Latin

Related words

Rhymes for contaminate

See all rhymes for contaminate →

Frequently asked questions

What does “contaminate” mean?

The word “contaminate” means to make something impure, dirty, or unsafe by introducing a harmful substance. In plain terms, to make something dirty, unsafe, or spoiled by introducing something harmful into it.

How do you pronounce “contaminate”?

“Contaminate” is pronounced kuhn-TA-mih-nayt (/kənˈtæmɪneɪt/ in IPA).

How do you use “contaminate” in a sentence?

Here is “contaminate” used in a sentence: “A chemical spill contaminated the local water supply.”

What part of speech is “contaminate”?

“Contaminate” is a verb.

Where does the word “contaminate” come from?

The word “contaminate” comes from Latin. From Latin contaminare, "to corrupt or defile by mixing," from contaminatus, the past participle of the same verb.

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