Definition

Something that causes harm or is toxic.

Example

The chemicals in the factory were found to be nocuous to the environment.

Conversation

I heard that some plants can be really nocuous to pets.

Yeah, I've read that too. It's so important to choose the right ones.

I didn't realize how many common plants could be harmful.

Right? It's better to research first to avoid any issues.

Synonyms & Antonyms

Root Explanation

Nocuous → It is formed from "nocere" (meaning to harm) and the suffix "-ous" (meaning full of). The word "nocuous" means full of harm or causing harm.

Memory Tip

Think of 'nocere' which means to harm, and remember that 'nocuous' describes something that is harmful.

Visually Confused Words