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noxious
adjective
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How to pronounce noxious:

Definition of noxious:

noxious (adjective):
poisonous or harmful
injurious to physical or mental health.
physically harmful or destructive to living beings

Synonyms for noxious:

pernicioussicklypestilentialtoxicunhealthydetrimentalunhealthfulharmfulinjuriousnoisome
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Antonyms for noxious:

neutralupliftingworthwhilefortunategratifyingpeaceablebenevolentinnocuoussanitaryunnecessary
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Other 3-syllable words like noxious

Here are some other common words that have 3 syllables, like noxious does.

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