adj
noxious
NOK-shuhs
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 notesIn 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
Fill the gap
Can you complete this real example?
The factory released _____ fumes into the air.
Etymology
From Latin noxius, "hurtful," from noxa, "harm."
Synonyms
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Related words
Rhymes for noxious
See all rhymes for noxious →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.".