filthiest

Adjective

filthy (comparative filthier, superlative filthiest)

1. Covered with filth; very dirty.
   • The coaches were filthy outside and did not appear to have been painted or washed for years. Inside there were uncomfortable seats covered with a cane-like material.1953 July, Allen Rowley, “First Impressions of American Railways”, in Railway Magazine, page 492

   Synonyms:

   sleazy, slimy, grimy, horry

2. Obscene or offensive.
   • Filthy smirking Pat Robertson has come in second in the Iowa Republican caucuses.1987, Michael Grumley, Final Diary

   Synonyms:

   gruesome, smutty

3. Very unpleasant or disagreeable.
   • Oh, that filthy dream again. Nightmares are bad enough but when it comes to night-toads—!1934, Ernest Bramah, The Bravo of London
4. (Australia, slang) Angry; upset; severely annoyed.
   • Terrific fun it was. My best mate saved me, and the teacher was filthy.1995, Paul Vautin, Turn It Up!, Sydney: Pan Macmillan Australia, page 166

See all 6 meanings of filthy