English edit

Adjective edit

filthiest

  1. superlative form of filthy: most filthy
    • 2022 November 16, Nigel Harris, “Endless news... little context”, in RAIL, number 970, page 3:
      Otherwise, overseas coking coal will be moved to the UK by bulk ocean carrier, which are among the filthiest polluting objects on the face of the Earth we seek to protect.