foul- root words — words with the foul- root

The root foul- comes from Old English fūl, meaning rotten, dirty. 1 words in Dendril are built from it, including biofouling. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the foul- root

Explore words with foul- — words containing the foul- root and sharing its sense of "rotten, dirty". Examples include biofouling. Click any word to see its own roots, definition, and related words.

What does foul- mean?

The foul- root means rotten, dirty, from Old English fūl. Recognizing it helps you decode and remember the many English words built on this root.