Definition

The most dirty or unclean; extremely dirty.

Example

After the storm, the streets were the filthiest I had ever seen.

Comparatives & Superlatives

Conversation

Did you see that video of the filthiest house ever?

Yes! I couldn't believe how dirty it was.

I know, right? It looked like a scene from a horror movie.

Totally! I can't imagine living in such a place.

Synonyms & Antonyms

Root Explanation

Filthiest → It is formed from "filth" (from Old English *fylð*, meaning dirt or uncleanliness) and the superlative suffix "-iest" (meaning most). The word "filthiest" means the most dirty or unclean.

Memory Tip

Think of 'filth' as representing dirtiness, and when you add '-iest', it indicates the highest degree of that dirtiness. So, filthiest means the most dirty.

Visually Confused Words