Very, Very Dirty and in Need of Cleaning

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2163, Puzzle 3 (Petroglyphs).

Question is: Very, Very Dirty and in Need of Cleaning

and the answer is: FILTHY

Word Meaning:

FILTHY — Covered with filth; very dirty.

Definitions from Wiktionary.