Definition

Something that is harmful or damaging to health, the environment, or moral values.

Example

The factory was fined for releasing noxious fumes into the air.

Conversation

Have you heard about those noxious chemicals they found in the river?

Yeah, it's really concerning for the environment and our health.

I can't believe people would dump such noxious waste without thinking of the consequences.

Right? It just shows how important it is to protect our natural resources.

Synonyms & Antonyms

Root Explanation

Noxious → It is formed from "noxius" (from Latin, meaning harmful or hurtful) and the suffix "-ous" (meaning full of). The word "noxious" means full of harm or something that is harmful.

Memory Tip

Think of something that is 'full of harm' — 'noxious' describes things that can hurt or be dangerous.

Visually Confused Words