noxious — harmful, poisonous, or very unpleasant
Part of speech: ADJECTIVE
Definition: harmful, poisonous, or very unpleasant
Pronunciation (IPA): /ˈnɑːkʃəs/
Example Sentences
- My roommate's cooking produced such noxious odors that even the cockroaches moved out.
- The noxious chemicals in the lab require special ventilation.
- He had the noxious habit of eating garlic before every date.
noxious
ADJECTIVE[/ˈnɑːkʃəs/]
harmful, poisonous, or very unpleasant

Workers flee as noxious green fumes leak from the old factory pipes.

Nox attacks us with toxic fumes - truly noxious!

Noxious fumes from obnoxious fools - truly atrocious!
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🎤Pronunciation
🌳Etymology
Origin
From Latin 'noxius' meaning harmful or injurious, derived from 'noxa' meaning harm or damage. The word entered English through Old French and has been used since the 15th century to describe things that are poisonous or harmful.
Breakdown
nox- (harm, from Latin noxa) + -ious (adjective suffix meaning full of or characterized by) = noxious (full of harm or poisonous)
🎵Rhyme
🔗Collocations
📝Examples
“My roommate's cooking produced such noxious odors that even the cockroaches moved out.”
“The noxious chemicals in the lab require special ventilation.”
“He had the noxious habit of eating garlic before every date.”
“The city banned the use of noxious pesticides in public parks.”
📚Related Words
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