adjective

filthy

Extremely dirty or offensive.

His boots are filthy after a walk through the mud.

Etymology

The adjective ending means characterized by. Filthy thus describes something covered in filth, with the physical idea of extreme dirt extended to strongly offensive language or conduct.

More examples

  • The kitchen floor is even filthier than the countertop.
  • Please stop using filthy language around the children.
  • His filthy jokes make everyone at the table uncomfortable.

Forms

filthy · filthier · filthiest

filth noun — Disgusting dirt or highly offensive material.

Similar words

dirty
Describes something unclean without emphasizing an extreme degree.
grimy
Specifically describes surfaces covered with accumulated or embedded dirt.
obscene
Specifically describes offensive sexual language or material, not dirt.