Wordnet 3.0
ADVERB (2)
1.
without liveliness;
- Example: "she nodded her head dully"2.
without luster or shine;
- Example: "the light shone dully through the haze"- Example: "unpolished buttons glinted dully"
The Collaborative International Dictionary of English v.0.48:
Dully \Dul"ly\, adv.
In a dull manner; stupidly; slowly; sluggishly; without life
or spirit.
[1913 Webster]
Supinely calm and dully innocent. -- G.
Lyttelton.
[1913 Webster]
WordNet (r) 3.0 (2006):
dully
adv 1: without liveliness; "she nodded her head dully"
2: without luster or shine; "the light shone dully through the
haze"; "unpolished buttons glinted dully"