dingily

/ˈdɪndʒəli/
adverb
  1. In a way that is dark, dirty, or shabby; lacking brightness or freshness.
    • She dressed dingily, in faded clothes that had seen better days.
    • The old curtains hung dingily in the dusty room.
    • The hallway was lit dingily by a single flickering bulb.
Antonyms