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adj

noxious

NOK-shuhs
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Noxious (adj) means Harmful or poisonous, especially to health. Example: “The factory released noxious fumes into the air.”

adj
1
Harmful or poisonous, especially to health.
"The factory released noxious fumes into the air."
"Wear a mask to avoid breathing in the noxious gas."

How to use noxious

Learner’s notes

In plain EnglishSomething toxic or damaging, usually describing fumes, substances, or gases.

Common pairings
noxious fumes noxious gas noxious substance
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Word forms

Comparative
more noxious
Superlative
most noxious
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Can you complete this real example?

The factory released _____ fumes into the air.

Etymology

From Latin noxius, "hurtful," from noxa, "harm."

Origin: Latin

Related words

Rhymes for noxious

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Frequently asked questions

What does “noxious” mean?
The word “noxious” means harmful or poisonous, especially to health. In plain terms, something toxic or damaging, usually describing fumes, substances, or gases.
How do you pronounce “noxious”?
“Noxious” is pronounced NOK-shuhs (/ˈnɑkʃəs/ in IPA).
How do you use “noxious” in a sentence?
Here is “noxious” used in a sentence: “The factory released noxious fumes into the air.”
What part of speech is “noxious”?
“Noxious” is an adjective.
Where does the word “noxious” come from?
The word “noxious” comes from Latin. From Latin noxius, "hurtful," from noxa, "harm.".

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