dingy
Concise Oxford English Dictionary © 2008 Oxford University Press:
dingy /ˈdɪn(d)ʒi/
▶adjective (dingier, dingiest) gloomy and drab.
– derivatives
dingily adverb,
dinginess noun.
dingily adverb,
dinginess noun.
– origin C18: perh. based on OE dynge ‘dung’.
'dingy' also found in these Oxford entries:

