dungier
/ˈdʌŋɡiər/Definitions
1. adjective
more unpleasantly or offensively dirty, soiled, or polluted
“The polluted river became increasingly dungier as it flowed through the industrial area.”
2. comparative form of ‘dungy’
comparing one thing to another in terms of its unpleasantly or offensively dirty, soiled, or polluted state
“This city is dungier than the one we visited last year.”