adj

noxious

NOK-shuhs

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

adj

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

Word forms

more noxious comparative, most noxious superlative

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Fill the gap

Can you complete this real example?

The factory released _____ fumes into the air.

Etymology

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

Origin: Latin

Rhymes for noxious

yous nous pious joyous heinous ominous curious anxious copious tenuous tedious spurious

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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.".