I. ˈfil-thē adjective
( filth·i·er ; -est )
Date: 14th century
1. : covered with, containing, or characterized by filth
2.
a. : underhand , vile
b. : obscene
filthy language
Synonyms: see dirty
• filth·i·ly -thə-lē adverb
• filth·i·ness -thē-nəs noun
II. adverb
Date: 1940
: in a filthy manner
filthy dirty
filthy rich