Noxious

/ˈnɒk.ʃəs/

Meaning & Definition

adjective
Harmful, poisonous, or very unpleasant.
The factory was fined for releasing noxious fumes into the atmosphere.
Injurious to health or moral character.
The noxious influence of greed can corrupt even the best of intentions.
Adverse to physical or mental well-being.
Pesticides can have noxious effects on both the environment and human health.
Physically or morally harmful.
The noxious weeds overtook the garden, choking out the native plants.

Etymology

Latin noxius, meaning 'hurtful, harmful'

Common Phrases and Expressions

noxious weed
A plant that is harmful to the environment, agriculture, or human health.
noxious fumes
Gases that are toxic or harmful when inhaled.

Related Words

toxin
A poisonous substance produced by living cells or organisms.
pollutant
A substance that pollutes something, especially air or water.
venom
A toxic substance secreted by certain animals for the purpose of killing or immobilizing prey.

Slang Meanings

Something very annoying or unpleasant.
That party was so noxious, I had to leave early.
A behavior or action that is harmful to a group.
His noxious attitude towards teamwork was affecting morale.