Noxious

//ˈnɒkʃəs// adj

adj ·Common ·High school level

Definitions

Adjective
  1. 1
    Harmful; injurious.

    "In the living state, the body is observed to […] reject what is noxious; [...]"

Adjective
  1. 1
    injurious to physical or mental health wordnet

Synonyms

All synonyms
corruptingharmfulinjuriouspestilentabhorrentabominable

Example

More examples

"Exhaust gases of a car are noxious."

Etymology

From Latin noxius (“hurtful, injurious”), from noxa (“hurt, injury”), from nocere (“to hurt, injure”); see nocent.

Related phrases

noxious stimulusnoxious trade

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.